12 Days of Christmas
881st
772nd
264th
85th
786th1,719th
107th98th
417th
350th
24 Game
256th
312th
223rd
21st
249th
239th56th
306th217th
177th
99 Bottles of Beer
227th177th
640th
1,434th1,356th
596th903rd
838th
272nd818th518th60th
194th308th
273rd
1,716th
952nd
1,273rd46th621st
428th52nd2,169th
666th587th
357th
Abundant Numbers
1,112th316th1,128th2,045th1,376th
1,017th1,380th773rd1,265th2,043rd849th621st1,131st349th1,179th856th838th355th2,303rd
448th418th
235th48th
1,945th595th402nd396th18th87th705th
925th788th
502nd327th
525th1,826th686th
1,649th2,107th
2,895th2,228th1,160th1,557th
Abundant Numbers (Long)
630th600th1,561st336th553rd
831st362nd642nd1,575th270th839th345th1,173rd79th525th323rd1,012th577th572nd
860th688th
224th94th
235th447th455th353rd37th3rd428th500th
730th691st
60th451st
835th480th393rd928th
254th1,762nd
596th391st411th653rd
Arabic to Roman
450th
902nd
142nd
20th343rd444th259th
74th
547th
453rd
475th345th558th834th
245th1,205th489th613th
500th2nd
715th
104th
461st195th209th603rd298th331st
Arithmetic Numbers
424th272nd1,310th435th396th
208th187th175th
1,069th
100th
196th440th
287th
476th
914th352nd249th
112th
177th334th451st29th331st163rd535th
442nd
626th38th
684th519th
367th228th
194th295th377th409th
Arrows
455th
630th
Ascending Primes
512th
225th
613th
276th
449th
229th
384th113th27th192nd
816th
642nd116th
262nd
412th
386th
ASCII Table
826th
507th
560th
347th
556th
240th
317th326th
617th
352nd921st
40th909th378th
679th316th
242nd182nd
857th249th
651st
1,310th
Billiards
348th
347th
brainfuck
1,294th
708th
324th
560th455th
96th
1,106th
315th
207th64th
297th
657th
Calendar
40th
260th
2nd
Card Number Validation
516th70th
323rd
544th
372nd
265th
344th
322nd103rd
353rd
279th
588th271st
460th132nd
427th
429th
261st
Catalan Numbers
542nd1,018th
1,065th377th
286th905th1,427th423rd843rd304th652nd797th741st620th368th
554th687th
412th217th
201st
959th139th
191st
758th
747th872nd476th685th30th1,288th1,164th
115th
637th
602nd
745th
587th
Catalan’s Constant
648th348th
180th
210th
196th
246th
3rd
759th
273rd
175th622nd
383rd
251st
141st
Christmas Trees
219th
611th
176th
1,123rd48th
574th
1,068th525th
126th
480th409th242nd35th730th349th
286th1,812th251st
317th250th
351st702nd
1,244th
328th578th
Collatz
576th289th2,088th823rd744th
1,213th116th
865th1,591st1,352nd579th
614th
1,869th761st1,053rd
2,734th697th635th
1,594th726th1,138th
146th41st223rd830th1,134th1,011th
950th916th70th
296th476th
1,356th850th352nd1,054th
587th1,094th688th2,315th1,313th742nd
CSS Colors
124th
202nd
269th
1st
239th
Cubes
177th
506th
318th
Day of Week
629th1,232nd969th832nd
615th341st
484th
567th578th461st657th734th325th
993rd356th
406th
272nd106th375th1,291st
385th769th392nd
570th
518th1st
62nd259th
813th
440th
731st621st
DFA Simulator
495th
Diamonds
338th540th686th40th829th
650th776th
296th93rd
676th
732nd
Divisors
1,106th1,754th2,373rd893rd1,544th
1,252nd1,632nd1,432nd708th1,160th2,245th938th3,026th1,043rd1,284th
2,680th1,258th3,025th
914th875th2,660th
1,041st210th
1,198th1,162nd1,424th1,758th248th801st272nd
2,013th1,147th1,171st1,417th390th
36th310th2,622nd2,657th1,001st322nd1,466th
2,217th2,399th1,300th4,485th767th1,265th
Emirp Numbers
782nd744th
561st
1,014th227th487th
1,181st
241st
774th
481st590th
979th611th
1,065th
737th770th563rd1,111th604th731st
631st1,020th133rd290th168th160th
800th
921st
197th
1,088th691st
Emirp Numbers (Long)
70th263rd121st307th
105th126th84th561st517th
512th542nd261st150th119th
349th
222nd
330th164th102nd
86th446th
677th
173rd230th482nd352nd247th326th99th143rd
134th668th188th268th
62nd72nd51st118th191st158th246th
132nd82nd
116th144th233rd176th
Emojify
156th
167th
147th262nd
Evil Numbers
2,427th1,495th2,713th1,734th
688th614th803rd1,343rd1,355th711th1,235th456th1,189th1,193rd584th
858th
488th
1,639th918th832nd
849th1,327th
190th
617th363rd
2,596th1st1,759th
2,741st
2,590th1,116th1,022nd571st47th2,080th2,418th
2,024th1,133rd427th666th
2,336th1,939th
1,920th3,118th1,348th2,516th
Evil Numbers (Long)
1,232nd1,240th735th1,013th
723rd522nd660th
382nd734th700th360th925th634th391st
747th
333rd
1,223rd1,079th619th
497th916th
84th
408th107th
1,431st1st855th
1,040th
1,069th1,523rd752nd241st466th43rd1,034th1,647th
1,283rd643rd419th
576th531st
692nd1,792nd862nd800th
Factorial Factorisation
180th119th232nd
455th
363rd279th
176th
394th132nd
404th130th
143rd265th
99th118th
128th
46th318th
62nd31st
299th221st229th
159th
Farey Sequence
314th305th368th256th127th
199th97th134th439th533rd367th82nd524th271st188th141st166th282nd343rd
322nd325th218th
149th400th
460th109th30th
224th
300th243rd365th339th236th291st336th605th434th3rd228th
583rd518th385th213th
290th175th304th506th160th278th276th415th
Fibonacci
4,897th2,754th2,209th3,418th2,245th1,197th
746th423rd638th3,353rd3,138th2,424th3,524th2,503rd465th1,869th1,106th2,733rd2,618th2,872nd4,660th991st1,077th2,838th794th2,000th2,119th390th
6,589th3,115th482nd226th1,989th506th5,707th2,443rd520th2,569th2,181st1,952nd3,320th2,764th366th1,848th55th742nd1,961st1,188th1,131st721st2,130th8,062nd2,627th2,086th2,105th4,955th950th3,360th3,041st4,771st
Fizz Buzz
4,850th1,924th2,159th633rd4,201st1,183rd10,392nd1,324th2,819th2,775th5,472nd5,307th4,504th1,683rd1,159th5,123rd1,753rd1,746th9,204th3,673rd7,522nd
1,989th
2,143rd5,309th5,235th1,254th1,268th6,966th8,115th3,525th583rd23rd709th1,593rd4,471st3,744th1,633rd4,688th4,497th7,123rd4,266th503rd426th
611th1,179th1,579th5,612th2,691st1,908th1,691st11,478th8,453rd686th1,228th
2,147th8,500th1,236th5,884th
Foo Fizz Buzz Bar
363rd939th1,275th1,001st
1,011th
270th
1,314th
1,016th
305th
133rd512th211th297th858th
1,987th137th385th
24th287th
956th
884th
824th
Forsyth–Edwards Notation
417th
593rd
531st
264th
201st
359th
203rd355th454th111th368th
405th437th
177th87th
500th
315th
457th416th
Fractions
252nd1,375th
1,142nd
186th695th267th775th390th530th616th479th
925th
1,298th569th
726th
574th819th943rd
251st127th
322nd798th297th460th
538th172nd
96th361st
805th10th716th561st
755th
1,407th892nd
Game of Life
364th
650th
229th
Gijswijt’s Sequence
273rd280th
152nd
479th
31st
243rd121st
139th
354th146th204th
298th
347th383rd209th157th
259th
414th392nd
6th165th
427th181st395th
142nd313th
164th91st92nd180th
Happy Numbers
198th573rd1,149th
988th966th
608th269th826th1,199th1,070th
823rd
279th715th489th
370th738th424th973rd618th
470th694th598th925th
745th1,082nd
1,031st1,123rd1,146th166th443rd222nd
1,206th797th933rd1,056th
1,259th
295th1,002nd
Happy Numbers (Long)
384th174th638th379th547th
317th422nd
222nd
409th427th474th
1,135th700th
441st377th289th552nd218th129th
265th246th211th114th
414th642nd
894th350th726th
228th167th
417th1,084th682nd707th
817th
823rd373rd
Hexdump
247th200th
93rd
369th297th
546th
390th
304th191st221st
234th
201st243rd
142nd
233rd147th
57th
259th363rd169th
281st106th406th
19th87th
495th220th
192nd73rd
230th150th
Intersection
666th
552nd
426th
691st
493rd352nd
299th
316th
167th659th
534th
322nd
505th
Inventory Sequence
290th551st423rd
280th
313th
365th
302nd
453rd
103rd493rd
221st163rd
721st
491st606th
84th457th
292nd533rd
347th248th
ISBN
297th183rd775th282nd
397th
811th
431st
592nd
466th875th
534th541st
437th
165th22nd796th58th740th396th609th
1,176th175th378th
108th184th
885th956th
763rd
549th1,391st570th
Jacobi Symbol
454th
340th
16th
208th
91st
386th506th
243rd96th
502nd
388th
308th409th
Kaprekar Numbers
106th139th94th195th
89th51st38th71st86th472nd
447th80th100th92nd
131st
123rd133rd125th
355th
55th20th
200th
42nd241st104th
110th130th205th452nd
111th488th
96th198th186th
69th137th
98th159th122nd144th
Kolakoski Constant
643rd59th
245th
70th
340th
74th633rd
321st
210th
Kolakoski Sequence
273rd50th
528th286th437th932nd973rd
204th
375th
299th
423rd312th
221st138th
326th
300th313th749th
60th881st
572nd
703rd
891st
429th502nd
Leap Years
855th1,051st1,169th2,427th219th
331st692nd275th967th1,064th3,284th579th2,757th114th434th343rd2,226th738th659th237th2,601st2,722nd888th1,034th
351st250th
667th39th464th294th2,255th552nd471st808th
1,097th591st485th1,788th391st387th
743rd1,158th1,466th
1,966th784th1,229th
892nd3,554th335th1,002nd
Levenshtein Distance
363rd
425th
113th236th
961st393rd
91st
468th
347th337th
442nd310th486th210th
335th189th
39th
476th88th
24th473rd
390th298th
166th773rd466th
Leyland Numbers
708th
284th
108th956th916th554th
161st336th
592nd291st
386th308th
141st450th203rd70th
360th
845th358th
4th180th
623rd593rd
731st634th383rd
774th177th822nd322nd
ln 2
553rd
691st330th
278th
841st194th525th280th266th378th
380th444th
325th
441st233rd
395th137th
77th
549th
3rd
245th
28th809th
409th
273rd
252nd
275th
333rd
Look and Say
1,404th1,360th310th573rd
708th1,217th111th673rd
424th
851st1,198th438th204th
827th82nd
230th
275th
1,281st
1,316th621st600th108th
415th96th842nd
164th
143rd
1,233rd
Lucky Numbers
271st463rd216th402nd
316th315th333rd372nd
405th
508th
336th408th
275th507th
266th
93rd409th361st235th
320th
148th153rd
396th
330th100th395th
204th750th304th309th
36th321st
167th579th
519th806th
359th928th314th247th
Lucky Tickets
594th
314th103rd
234th
321st290th
461st
Mahjong
249th
Mandelbrot
74th
107th76th
180th48th259th
255th241st121st
240th
140th197th
311th
265th57th228th
306th138th
331st21st
286th243rd
131st159th90th162nd
Maze
522nd
Medal Tally
152nd
379th
402nd
286th
277th
218th
128th312th
42nd
207th369th
142nd143rd
366th
109th
Minesweeper
247th
285th
Morse Decoder
102nd
61st
Morse Encoder
388th
156th
Musical Chords
357th
322nd
354th
N Queens
293rd
177th128th
Niven Numbers
1,098th609th1,136th1,156th563rd
1,254th923rd1,328th594th1,786th1,092nd375th1,863rd281st901st713th784th1,266th1,231st1,420th2,291st1,404th1,348th692nd1,739th1,495th325th
2,524th2,061st621st66th1,482nd1,123rd518th676th354th542nd1,011th1,217th1,556th644th583rd813th8th600th48th1,799th1,970th401st1,185th1,989th2,221st975th771st
1,378th2,018th733rd2,250th
Niven Numbers (Long)
739th245th855th501st391st
887th343rd853rd811th795th977th848th1,489th145th1,292nd776th997th765th473rd397th
874th808th814th1,348th448th255th
1,472nd
727th306th744th164th2nd422nd792nd415th617th623rd1,095th856th548th480th126th287th21st1,546th73rd292nd870th
657th384th435th1,431st864th1,630th1,241st921st
Number Spiral
479th
296th
199th
242nd283rd
303rd
188th
269th
555th
346th144th
268th661st
310th431st
409th
420th438th
512th
152nd
94th449th
Odious Numbers
2,111th1,685th2,092nd1,346th
412th533rd641st1,121st1,258th615th1,029th346th1,122nd1,207th448th
739th
1,004th
1,302nd798th576th
527th1,151st
146th
330th231st
2,154th1st1,359th1,313th2,349th
2,399th1,558th859th434th45th1,914th2,141st
1,887th1,074th547th554th
1,945th2,050th
1,600th2,666th1,059th2,175th
Odious Numbers (Long)
1,406th1,231st630th987th
537th317th477th
370th706th646th297th889th618th343rd
779th
277th
1,047th1,016th558th
418th709th
125th
381st151st
1,369th1st528th449th697th
810th1,466th1,226th187th388th43rd1,231st1,258th
1,056th671st472nd
514th996th
564th1,661st715th705th
Ordinal Numbers
463rd410th
532nd
636th
880th
794th710th196th471st
1,109th491st
899th519th
655th371st968th
701st
451st44th304th279th791st787th
1,486th
147th718th250th
158th616th746th
230th643rd925th120th1,674th
326th
668th
788th
PalindromemordnilaP
336th
338th
423rd192nd
677th
558th
596th
425th283rd
470th494th
632nd
357th
Pangram Grep
1,274th2,111th572nd1,559th
2,014th954th
1,099th796th1,670th607th
1,123rd587th1,044th509th506th
780th403rd
450th155th
406th
371st56th706th423rd96th251st
1,016th880th246th738th86th334th634th
343rd199th
413th922nd
520th818th487th493rd
Partition Numbers
213th474th183rd387th
267th143rd232nd383rd
221st375th
246th
437th252nd190th
330th286th
140th263rd
235th
294th300th172nd345th
315th462nd
250th318th260th393rd
122nd202nd168th258th
Pascal’s Triangle
748th984th1,561st318th376th
630th520th559th1,612th986th828th562nd1,237th
871st955th1,314th1,077th
1,188th760th907th419th829th668th825th
1st
549th504th228th646th1st337th197th1,054th1,201st298th539th468th912th
93rd144th385th636th421st169th666th
285th336th497th529th
1,014th537th
Pernicious Numbers
596th1,124th786th488th
265th347th515th887th1,388th959th327th1,260th240th825th706th1,206th1,002nd688th1,112th974th1,101st1,469th658th1st641st1,606th
122nd1,369th448th176th
317th1,164th732nd381st542nd871st844th214th292nd148th742nd39th652nd108th
473rd421st1,094th1,166th2,216th402nd584th
898th1,332nd619th1,271st
Pernicious Numbers (Long)
421st386th773rd644th
798th
561st
312th
117th215th72nd509th
434th
137th
436th430th
174th685th
1st
275th739th
131st218th241st
324th
516th641st407th67th427th38th332nd
357th194th492nd
209th621st683rd708th310th
411th
Poker
467th
225th
Polyominoes
205th
Prime Numbers
2,507th1,458th1,686th2,344th692nd
985th1,744th1,347th774th1,410th720th412th1,928th1,960th1,538th1,103rd590th928th1,650th247th
973rd
658th322nd
1st768th764th172nd533rd606th1st1,691st376th1,609th
308th1,339th518th1,125th117th477th216th1,387th1,261st502nd1,086th698th
2,378th1,377th
1,835th
643rd2,707th
Prime Numbers (Long)
1,163rd538th
1,026th679th
687th523rd849th917th641st
397th1,506th669th774th616th892nd746th1,266th165th
1,195th955th861st
629th930th
1st651st424th191st1,087th369th1st598th511th619th
1,444th1,095th366th
108th390th869th804th215th448th887th
809th1,416th
705th
564th922nd
Proximity Grid
392nd
471st
QR Decoder
298th
197th
261st
210th
381st
Quine
1st1,608th3,606th271st3,686th2,967th2,167th4,215th1,508th4,162nd3,094th2,971st5,009th2,995th646th3,144th1,910th
1,787th2,250th4,049th4,819th612th
2,587th1,619th151st2,030th729th2,154th1,971st2,777th1,575th2,287th1,693rd1,448th1st2,829th1,329th1,739th1,927th1,764th543rd3,041st4,002nd1,860th168th4,773rd600th4,790th474th1,430th1,894th3,359th1,812th3,320th1,749th5,121st3,811th2,141st2,981st2,591st
Recamán
194th507th428th142nd
339th184th101st699th
167th525th532nd233rd540th1,027th424th
804th754th464th
90th504th
574th
154th23rd836th308th
515th279th285th
598th
484th48th
40th84th
391st220th562nd
315th182nd
355th587th387th634th
Repeating Decimals
468th
286th292nd4th
Reverse Polish Notation
932nd495th
276th
332nd
663rd1st646th
502nd473rd
503rd472nd
864th287th
Rijndael S-box
386th
269th
497th87th
433rd
77th
Rock-paper-scissors-Spock-lizard
461st
Roman to Arabic
200th658th569th488th
472nd448th469th623rd260th410th570th754th118th364th343rd655th289th
66th
365th348th302nd
182nd
676th
388th221st170th235th
354th338th421st
127th557th438th275th
44th2nd
455th330th375th
238th373rd
163rd228th273rd378th
ROT13
331st529th
590th
666th
586th252nd
798th371st
591st
319th
687th404th669th613th
463rd
208th122nd469th
53rd285th271st
321st
149th
1st
Rule 110
261st
65th
254th
445th
280th
567th359th
285th
182nd115th
38th
Scrambled Sort
136th
447th
479th
389th
383rd
387th230th
366th95th
Set
338th
331st
279th
289th70th
371st
172nd
Seven Segment
674th
900th
1,033rd
490th225th
197th
270th
135th
663rd
593rd
Sierpiński Triangle
960th1,086th
297th
881st
255th1,192nd
723rd683rd
808th
414th
997th
552nd
1,115th1,106th803rd
915th895th844th
213th680th1,029th
338th
431st
913th
Smith Numbers
408th
77th100th
387th115th287th
143rd266th141st
194th
134th56th
101st
556th
161st283rd
44th
410th
214th361st
431st243rd
458th
232nd180th
Spelling Numbers
85th
1st
576th380th
502nd
Star Wars GPT
203rd
212th
211th
245th172nd
230th
Star Wars Opening Crawl
206th
Sudoku
313th
306th
Sudoku (Fill-in)
273rd
270th
155th
Ten-pin Bowling
357th
199th
217th168th
Tic-tac-toe
302nd
414th
233rd
198th
217th
180th32nd216th226th
309th
346th232nd206th
372nd218th
100th
183rd
143rd
115th
Time Distance
290th446th
247th
253rd57th
Tongue-twisters
1,211th
876th
656th
781st
63rd
43rd
243rd405th
490th
853rd
Topological Sort
294th
327th55th
336th
Tower of Hanoi
422nd456th
116th101st191st
184th277th
460th
596th391st
334th
87th300th
471st
374th520th
132nd
566th
466th260th449th574th
Transpose Sentence
409th
384th
508th
310th
250th
1st399th120th
596th
147th626th
217th
47th199th
182nd
376th712th
559th
Trinomial Triangle
334th
244th
153rd
318th203rd225th171st
160th180th46th
84th
250th52nd159th
227th
163rd
89th
United States
439th
406th
250th
153rd
257th
259th
41st130th87th
416th179th
114th9th
242nd
471st
Vampire Numbers
783rd812th
738th98th
264th
400th
64th
110th260th
414th
634th
Van Eck Sequence
547th691st421st
354th
361st
483rd
317th
277th
616th
313th496th
860th
265th170th
1,168th
788th
770th
Zeckendorf Representation
277th352nd306th266th
294th215th
444th447th267th423rd304th
178th404th314th193rd
273rd279th
72nd
85th74th103rd326th
207th
291st
334th312th240th
47th79th
146th383rd217th316th
293rd134th
177th185th161st246th
γ
310th
299th
1st
1,258th
374th289th
418th
270th
λ
704th
486th
317th
303rd740th
808th
π
550th
702nd1,221st
1,528th567th277th
336th377th
362nd1,413th
761st312th
429th
447th348th
7th
902nd
1,377th
574th
376th
229th
794th
666th
517th1,230th
337th
230th
313th
τ
574th
1,065th517th344th
317th349th
330th
276th
348th
411th263rd
15th
1,003rd
502nd
336th
190th
648th
475th
301st
214th
281st
φ
653rd
779th520th
410th504th652nd563rd590th1,234th390th223rd609th587th642nd
426th
745th
596th420th
711th473rd235th
171st
610th557th
69th
787th494th
1,182nd
46th703rd468th
13th398th
659th422nd479th
413th232nd
404th
376th602nd
√2
749th
1,066th695th
564th435th1,428th299th228th603rd578th697th
481st
611th
473rd
664th266th
235th333rd
136th
281st
1,371st
106th
542nd
4th
904th
518th
252nd
361st
681st
𝑒
718th505th539th359th534th
417th393rd317th368th696th616th282nd202nd604th377th403rd1,055th468th680th
393rd445th321st990th663rd462nd
406th177th
20th
730th440th425th
492nd238th270th363rd589th70th278th
746th677th420th373rd
413th315th
387th405th411th446th