12 Days of Christmas
900th
788th
272nd
86th
804th1,745th
107th91st
443rd
359th
24 Game
273rd
326th
228th
18th
262nd
247th50th
357th222nd
182nd
99 Bottles of Beer
228th178th
657th
1,463rd1,384th
612th921st
857th
284th838th530th60th
198th318th
280th
1,751st
976th
1,301st47th635th
439th53rd2,217th
699th605th
366th
Abundant Numbers
987th
347th1,181st2,108th1,432nd
1,074th1,437th814th1,313th2,102nd889th653rd1,186th381st1,220th977th962nd372nd2,376th
474th1,329th
249th56th
2,013th630th427th530th22nd101st738th
957th829th
538th357th
563rd1,886th701st
1,626th2,156th
2,983rd2,303rd1,215th1,599th
Abundant Numbers (Long)
484th1,586th640th1,641st366th598th
885th393rd704th1,665th289th888th326th1,229th90th562nd347th1,060th605th602nd
889th740th
231st101st
249th427th492nd376th38th3rd432nd519th
789th736th
66th472nd
882nd532nd422nd961st
271st1,862nd
625th409th443rd665th
Arabic to Roman
467th
924th
149th
24th358th454th294th
81st
562nd
462nd
491st361st575th854th
247th1,241st502nd660th
516th2nd
734th
112th
474th206th217th617th309th339th
Arithmetic Numbers
560th
275th1,363rd444th404th
203rd194th176th
1,108th
101st
187th441st
285th
487th
925th386th249th
113th
178th343rd463rd29th341st162nd550th
454th
643rd38th
907th527th
370th228th
184th306th393rd423rd
Arrows
469th
653rd
Ascending Primes
531st
223rd
636th
267th
465th
230th
394th113th27th179th
337th
334th
667th114th
360th
422nd
395th
ASCII Table
843rd
523rd
580th
360th
573rd
247th
327th337th
635th
363rd954th
35th943rd392nd
698th331st
252nd180th
885th248th
674th
1,363rd
Billiards
368th
369th
brainfuck
1,327th
727th
325th
571st460th
97th
1,139th
331st
207th63rd
296th
665th
Calendar
43rd
296th
2nd
Card Number Validation
535th76th
337th
566th
407th
297th
361st
338th107th
371st
293rd
612th285th
482nd137th
439th
446th
275th
Catalan Numbers
538th
1,047th
1,094th384th
292nd934th
432nd862nd310th670th817th752nd631st375th
569th703rd
419th207th
227th
988th144th
196th
763rd
766th900th481st702nd35th1,331st1,195th
120th
647th
619th
762nd
600th
Catalan’s Constant
666th354th
185th
214th
200th
251st
2nd
787th
274th
178th642nd
398th
255th
139th
Christmas Trees
233rd
630th
182nd
1,156th55th
594th
1,092nd316th
121st
497th425th249th34th752nd361st
295th1,856th262nd
328th256th
363rd722nd
1,280th
340th414th
Collatz
466th
277th2,138th833rd749th
1,232nd111th
950th1,616th1,376th583rd
600th
1,951st737th1,049th
2,827th697th648th
1,629th939th1,167th
147th40th205th847th1,163rd992nd
963rd921st70th
292nd479th
1,381st1,239th343rd1,050th
704th1,109th656th2,392nd1,336th747th
Continued Fractions
309th
CSS Colors
128th
207th
272nd
1st
241st
Cubes
178th
516th
324th
Day of Week
642nd1,260th987th850th
624th351st
497th
579th594th466th672nd749th334th
1,018th366th
416th
280th114th385th1,321st
395th786th402nd
585th
530th1st
67th258th
837th
450th
739th633rd
DFA Simulator
512th
Diamonds
361st575th732nd55th879th330th
690th823rd
316th97th
713th
777th
Divisors
1,074th
1,788th2,404th908th1,575th
1,300th1,666th1,468th725th1,759th2,287th956th3,091st1,060th1,312th
2,731st1,226th3,073rd
894th886th2,714th
1,008th214th
1,233rd1,182nd1,457th1,796th253rd757th290th
2,046th1,158th1,188th1,461st399th
36th260th2,678th2,688th1,020th327th1,505th
2,257th2,442nd1,327th4,570th757th1,285th
Emirp Numbers
795th766th
581st
1,040th240th506th
1,208th
233rd
798th
497th593rd
1,003rd634th
1,095th
760th796th584th1,138th626th750th
653rd1,049th132nd296th165th178th
828th
951st
202nd
1,114th712th
Emirp Numbers (Long)
70th272nd122nd320th
108th130th86th565th518th
513th549th271st151st120th
360th
230th
341st167th102nd
80th444th
693rd
180th244th478th361st258th194th99th140th
133rd683rd193rd276th
63rd72nd53rd164th371st156th249th
135th183rd
118th146th238th182nd
Emojify
158th
171st
150th267th
Evil Numbers
2,481st1,537th2,773rd1,747th
702nd623rd824th1,386th1,398th726th1,291st468th1,238th1,236th583rd
860th
491st
1,686th1,128th873rd
854th1,366th
199th
629th372nd
2,654th1st1,806th
2,781st
2,648th1,162nd1,045th610th50th2,128th2,472nd
2,077th1,173rd436th680th
2,390th1,987th
1,973rd3,187th1,395th2,567th
Evil Numbers (Long)
1,264th1,272nd754th1,041st
742nd534th679th
416th753rd715th369th959th645th369th
766th
339th
1,254th1,099th634th
448th940th
87th
425th111th
1,462nd1st878th
1,063rd
1,087th1,514th774th247th455th46th1,056th1,680th
1,317th660th440th
590th550th
694th1,835th885th822nd
Factorial Factorisation
185th126th231st
470th
371st284th
179th
404th133rd
417th135th
141st270th
102nd124th
131st
42nd323rd
65th26th
344th212th229th
160th
Farey Sequence
300th
307th376th258th124th
206th99th152nd449th551st373rd86th543rd452nd192nd140th165th275th343rd
320th325th221st
148th408th
460th112th31st
232nd
293rd246th368th345th226th296th340th623rd445th3rd233rd
676th536th393rd211th
288th170th303rd519th163rd281st272nd421st
Fibonacci
5,018th3,222nd2,590th2,243rd3,475th2,294th1,223rd
803rd450th654th3,410th3,213th2,333rd3,569th2,568th393rd1,906th1,128th2,812th2,619th2,937th4,776th1,003rd1,101st2,907th766th2,071st2,103rd417th
6,742nd3,160th492nd232nd2,001st519th5,851st2,462nd534th2,599th2,223rd1,992nd3,402nd2,856th375th1,231st56th762nd2,021st1,212th1,153rd739th2,140th8,239th2,697th2,154th2,173rd5,068th970th3,441st3,019th4,884th
Fizz Buzz
4,916th1,896th
2,181st638th4,256th1,195th10,513th1,334th2,852nd2,807th5,556th5,381st4,564th1,703rd1,170th5,193rd1,716th1,709th9,312th3,675th7,625th
2,005th
2,169th5,384th5,307th1,249th1,279th6,931st8,217th3,361st585th23rd714th1,611th4,539th3,810th1,647th4,757th4,533rd7,192nd4,323rd505th427th
615th1,191st1,590th5,695th2,725th1,930th1,699th11,591st8,549th691st1,236th
2,172nd8,606th1,258th5,900th
Foo Fizz Buzz Bar
374th962nd1,314th1,033rd
1,041st
273rd
1,349th
1,046th
310th
135th526th207th301st878th
2,036th139th394th
25th290th
986th
903rd
846th
Forsyth–Edwards Notation
430th
609th
548th
273rd
192nd
395th
212th365th467th109th375th
417th451st
183rd84th
515th
332nd
471st429th
Fractions
259th1,416th
1,184th
192nd731st274th810th391st556th648th476th
962nd
1,467th574th
764th
602nd857th977th
270th131st
335th834th306th478th
567th178th
96th366th
842nd10th743rd588th
784th
1,456th935th
Game of Life
371st
661st
264th
Gijswijt’s Sequence
287th289th
163rd
499th
32nd
260th155th
149th
367th167th212th
311th
364th401st218th171st
274th
429th410th
6th180th
445th192nd414th
153rd327th
177th87th95th253rd
Gray Code Decoder
448th
264th
342nd307th
353rd172nd
252nd
288th
Gray Code Encoder
550th
522nd150th
486th
162nd312th412th
306th
417th
220th
547th
316th80th
187th
213th
16th137th460th
32nd551st296th
55th
305th242nd
199th344th
Happy Numbers
202nd586th1,174th
1,021st995th
622nd274th858th1,233rd1,102nd
848th
282nd739th503rd
373rd763rd436th999th632nd
483rd718th612th952nd
770th1,112th
1,061st1,150th1,179th169th455th226th
1,242nd825th951st1,090th
1,288th
300th1,032nd
Happy Numbers (Long)
511th
178th649th388th555th
328th427th
225th
434th432nd483rd
1,168th707th
444th378th300th566th221st135th
280th261st228th118th
401st655th
924th351st742nd
245th149th
410th1,116th688th728th
844th
683rd375th
Hexdump
256th208th
112th
374th302nd
559th
389th
311th196th259th
242nd
204th249th
142nd
240th152nd
58th
262nd435th173rd
287th107th437th
19th91st
511th221st
203rd74th
238th153rd
Intersection
686th
569th
443rd
710th
511th366th
309th
326th
173rd677th
602nd
331st
397th524th
Inventory Sequence
309th573rd443rd
297th
328th
380th
523rd
472nd
82nd516th
233rd170th
749th
521st634th
95th471st
304th559th
360th258th
ISBN
304th195th792nd288th
404th
827th
444th
611th
468th938th
548th578th
479th
175th25th832nd61st760th565th626th
1,206th167th383rd
120th197th
910th976th
783rd
566th1,430th638th
Jacobi Symbol
480th
359th
16th
219th
93rd
411th555th
257th100th
532nd
415th
331st434th
Kaprekar Numbers
341st141st17th138th95th31st
123rd68th46th80th77th222nd289th244th86th75th60th574th124th160th
116th135th128th
62nd409th
66th70th18th448th203rd
34th146th175th105th106th15th16th59th102nd276th115th457th
201st199th139th
69th136th
97th165th67th151st
Kolakoski Constant
662nd64th
256th
77th
346th
80th651st
347th
218th
Kolakoski Sequence
282nd55th
545th297th459th961st1,019th
211th
388th
309th
393rd333rd
228th145th
335th
310th323rd775th
69th908th
590th
723rd
918th
439th517th
Leap Years
920th
1,042nd1,172nd2,477th209th
302nd663rd268th912th1,060th3,368th542nd2,825th56th377th327th2,265th657th626th235th2,603rd2,743rd880th1,036th
307th248th
632nd78th676th288th2,305th504th454th798th
1,095th558th470th1,825th387th364th
685th1,161st1,453rd
2,005th777th1,247th
883rd3,644th294th979th
Levenshtein Distance
357th
431st
77th243rd
979th401st
57th
471st
349th339th
450th313th488th208th
336th185th
18th
481st52nd
39th476th
396th298th
161st789th467th
Leyland Numbers
716th
281st
111th968th933rd549th
163rd338th
282nd
392nd313th
147th462nd206th73rd
359th
861st366th
4th347th
629th597th
738th639th395th
782nd180th829th323rd
ln 2
596th
714th346th
291st
867th204th542nd293rd280th387th
377th458th
336th
455th245th
408th142nd
81st
565th
3rd
259th
28th833rd
424th
289th
264th
284th
341st
Look and Say
1,457th1,416th325th595th
732nd1,264th108th693rd
442nd
883rd1,245th461st208th
862nd83rd
238th
267th
1,325th
1,361st643rd622nd121st
438th97th879th
173rd
148th
1,279th
Lucky Numbers
286th482nd227th415th
338th335th352nd390th
421st
531st
355th424th
428th642nd
278th
95th426th376th250th
344th
158th174th
412th
404th104th403rd
212th775th318th330th
35th340th
169th627th
541st826th
374th965th307th256th
Lucky Tickets
608th
324th110th
246th
331st322nd
475th
Mahjong
274th
Mandelbrot
79th
114th81st
187th50th272nd
269th252nd129th
251st
149th205th
327th
279th59th236th
319th147th
346th26th
299th253rd
140th170th167th172nd
Maze
550th
Medal Tally
161st
394th
418th
297th
288th
243rd
138th323rd
46th
219th385th
150th153rd
391st
332nd
Minesweeper
268th
310th
Morse Decoder
101st
61st
Morse Encoder
398th
162nd
Musical Chords
382nd
342nd
379th
N Queens
308th
186th130th
Niven Numbers
1,074th2,700th627th1,175th1,191st578th
1,312th954th1,380th618th1,853rd1,133rd387th1,946th292nd876th736th763rd1,244th1,277th1,472nd2,357th1,454th1,348th717th1,809th1,541st336th
2,597th2,139th641st76th1,534th1,162nd463rd659th365th551st1,028th1,251st1,616th681st606th835th8th593rd58th1,867th2,059th407th1,178th2,053rd2,302nd1,007th803rd
1,430th2,104th780th2,318th
Niven Numbers (Long)
776th
250th830th521st425th
898th350th878th826th1,159th998th859th1,518th151st1,285th783rd1,015th757th484th400th
888th802nd820th1,375th459th261st
1,507th
731st313th753rd170th2nd425th805th418th635th626th1,121st863rd565th502nd127th293rd21st1,574th73rd298th885th
667th393rd449th1,462nd871st1,670th1,266th937th
Number Spiral
504th
310th
208th
255th298th
335th
203rd
285th
591st
362nd153rd
284th695th
329th455th
428th
445th463rd
660th
154th
96th473rd
Odious Numbers
2,156th1,715th2,136th1,379th
431st546th663rd1,143rd1,300th637th1,050th355th1,145th1,242nd457th
745th
1,020th
1,334th1,151st589th
502nd1,190th
156th
343rd253rd
2,203rd1st1,386th1,341st2,382nd
2,435th1,597th864th443rd48th1,954th2,188th
1,929th1,091st560th567th
1,959th2,090th
1,631st2,706th1,080th2,219th
Odious Numbers (Long)
1,440th1,260th650th1,008th
556th327th498th
381st730th666th307th925th634th355th
753rd
287th
1,069th1,026th571st
408th732nd
135th
394th160th
1,404th1st542nd463rd719th
831st1,492nd1,261st196th417th46th1,266th1,274th
1,079th689th484th
533rd1,018th
582nd1,696th735th725th
Ordinal Numbers
477th413th
545th
654th
894th
812th725th167th485th
1,132nd505th
913th534th
673rd379th971st
718th
464th46th308th281st807th795th
1,514th
151st734th258th
211th630th759th
198th657th946th125th1,714th
329th
689th
805th
PalindromemordnilaP
510th
353rd
437th197th
702nd
576th
615th
441st288th
487th507th
655th
370th
Pangram Grep
1,301st2,179th585th1,604th
2,076th983rd
1,133rd820th1,719th628th
1,145th603rd1,075th528th520th
803rd416th
449th157th
421st
383rd56th733rd437th96th250th
1,046th907th265th764th87th328th656th
357th205th
428th950th
532nd846th502nd501st
Partition Numbers
218th501st184th405th
275th144th237th398th
225th388th
244th
460th263rd196th
340th297th
143rd272nd
242nd
302nd311th178th354th
327th487th
256th332nd267th409th
114th194th174th265th
Pascal’s Triangle
746th
1,009th1,600th333rd374th
653rd535th577th1,655th1,012th850th579th1,281st
883rd971st1,353rd1,085th
1,221st757th908th437th853rd679th857th
1st
565th521st236th674th1st327th204th1,078th1,222nd260th556th487th934th
97th149th408th652nd440th174th681st
250th355th509th526th
938th551st
Pernicious Numbers
610th1,168th814th465th
274th354th561st919th1,443rd994th337th1,312th250th836th701st1,233rd1,034th684th1,157th1,009th1,149th1,583rd721st1st632nd1,647th
126th1,425th479th176th
327th1,227th758th411th515th903rd856th222nd301st152nd777th41st676th112th
500th435th1,135th1,210th2,330th393rd598th
935th1,390th652nd1,315th
Pernicious Numbers (Long)
433rd400th800th668th
826th
581st
320th
119th221st73rd525th
440th
139th
449th445th
173rd709th
1st
283rd764th
133rd234th226th
329th
528th665th418th68th442nd39th341st
372nd197th510th
215th650th710th733rd321st
422nd
Poker
472nd
231st
Polyominoes
216th
Prime Numbers
3,079th973rd1,473rd1,754th2,405th721st
1,020th1,827th1,398th803rd1,459th751st431st1,983rd2,010th1,591st1,137th620th928th1,678th253rd
1,010th
660th338th
1st794th795th180th543rd647th1st1,739th393rd1,660th
324th1,386th541st1,165th122nd506th226th1,435th1,311th525th1,028th727th
2,441st1,406th
1,894th
634th2,773rd
Prime Numbers (Long)
1,304th876th548th
1,064th710th
730th536th805th1,251st659th
406th1,553rd694th798th610th922nd769th1,283rd177th
1,217th990th895th
650th972nd
1st679th434th203rd1,122nd378th1st573rd523rd632nd
1,488th1,115th375th
112th385th900th836th335th455th912th
848th1,459th
725th
593rd945th
Proximity Grid
406th
490th
QR Decoder
309th
202nd
268th
217th
397th
Quine
1st1,598th
3,668th281st3,712th3,010th2,204th4,271st1,535th4,218th3,159th3,014th5,073rd3,037th662nd3,191st1,940th
1,820th2,292nd4,108th4,882nd627th
2,627th1,650th154th2,061st745th2,192nd2,003rd2,822nd1,610th2,326th1,715th1,472nd1st2,875th1,349th1,758th1,963rd1,797th558th3,088th4,060th1,906th171st4,836th615th4,844th485th1,450th1,929th3,408th1,845th3,369th1,782nd5,186th3,870th2,178th3,023rd2,630th
Recamán
197th515th436th144th
337th189th101st691st
167th533rd540th220th545th1,055th425th
826th767th468th
91st511th
589th
156th27th858th301st
517th277th265th
601st
492nd48th
41st85th
391st225th570th
314th176th
357th596th382nd645th
Repeating Decimals
492nd
299th305th4th
Reverse Polish Notation
949th511th
272nd
347th
682nd1st671st
519th495th
520th488th
887th296th
Rijndael S-box
398th
293rd
530th73rd
451st
63rd
Rock-paper-scissors-Spock-lizard
468th
Roman to Arabic
210th676th581st498th
480th459th479th638th328th421st582nd776th139th370th352nd672nd305th
72nd
366th359th310th
187th
693rd
399th238th179th254th
361st349th430th
118th569th444th287th
47th2nd
464th331st381st
250th387th
155th244th276th384th
ROT13
560th563rd
645th
726th
640th280th
860th404th
702nd
351st
749th440th864th679th
493rd
230th126th453rd
69th307th301st
356th
156th
1st
Rule 110
268th
63rd
263rd
460th
292nd
587th371st
296th
186th117th
40th
Scrambled Sort
142nd
466th
497th
404th
395th
402nd240th
379th99th
Set
349th
342nd
290th
300th70th
425th
175th
Seven Segment
683rd
914th
1,050th
495th232nd
205th
275th
141st
671st
599th
Sierpiński Triangle
985th1,113th
314th
902nd
455th1,226th
744th695th
831st
425th
1,022nd
568th
1,143rd1,135th827th
939th919th869th
220th694th1,055th
349th
443rd
937th
Smith Numbers
421st
76th103rd
400th112th295th
148th272nd139th
194th
137th57th
65th
575th
161st292nd
48th
429th
225th373rd
443rd249th
471st
239th185th
Spelling Numbers
87th
1st
592nd392nd
515th
Star Wars GPT
228th
237th
227th
275th192nd
349th
Star Wars Opening Crawl
209th
Sudoku
318th
311th
Sudoku (Fill-in)
281st
278th
157th
Ten-pin Bowling
370th
204th
223rd172nd
Tic-tac-toe
310th
427th
236th
198th
220th
182nd25th219th226th
318th
354th237th206th
384th221st
211th
178th
138th
112th
Time Distance
294th455th
252nd
258th53rd
Tongue-twisters
64th
43rd
251st416th
500th
866th
Topological Sort
325th
357th59th
367th
Tower of Hanoi
494th536th
130th266th219th
204th333rd
559th
734th454th
411th
117th362nd
612th
455th643rd
136th
700th
563rd300th538th711th
Transpose Sentence
445th
405th
545th
319th
262nd
1st426th123rd
637th
149th667th
227th
55th205th
183rd
399th761st
598th
Trinomial Triangle
359th
249th
168th
339th224th243rd183rd
178th196th46th
95th
271st56th174th
276th
179th
100th
United States
444th
411th
253rd
152nd
258th
260th
42nd135th92nd
420th214th
118th9th
242nd
477th
Vampire Numbers
101st
267th
383rd
67th
114th261st
437th
Van Eck Sequence
575th721st451st
382nd
394th
510th
325th
340th
645th
327th519th
899th
286th176th
790th
846th
801st
Zeckendorf Representation
292nd371st320th270th
308th222nd
466th512th279th441st319th
183rd417th330th275th
288th296th
77th
87th75th108th343rd
210th
305th
352nd326th267th
48th95th
152nd476th226th333rd
307th142nd
173rd192nd158th257th
γ
320th
308th
1st
1,330th
390th298th
439th
277th
λ
720th
502nd
326th
312th789th
825th
π
562nd
723rd
1,564th582nd287th
345th389th
370th1,446th
785th322nd
441st
454th359th
7th
931st
591st
387th
242nd
817th
684th
521st1,259th
346th
237th
319th
τ
625th
1,088th528th353rd
323rd357th
324th
283rd
418th
423rd272nd
15th
513th
344th
195th
670th
488th
309th
218th
286th
φ
665th
795th529th
419th514th666th574th602nd1,261st391st227th622nd599th656th
423rd
760th
608th428th
731st484th236th
171st
624th569th
69th
802nd504th
46th719th480th
13th389th
674th430th489th
421st233rd
414th
387th615th
√2
761st
1,088th709th
571st441st1,454th307th236th614th588th711th
561st
622nd
482nd
677th275th
244th345th
144th
298th
114th
552nd
4th
926th
526th
257th
370th
695th
𝑒
733rd
523rd556th367th552nd
436th407th331st386th715th632nd294th211th620th395th417th1,079th468th701st
407th465th335th1,014th683rd478th
420th184th
121st
749th456th441st
509th248th326th381st608th20th329th
762nd698th431st374th
430th327th
401st419th427th460th