12 Days of Christmas
899th
790th
270th
86th
803rd1,738th
107th89th
440th
359th
24 Game
270th
324th
227th
19th
259th
245th51st
355th220th
180th
99 Bottles of Beer
233rd177th
655th
1,449th1,377th
611th920th
856th
279th834th528th62nd
198th316th
280th
1,735th
968th
1,291st47th635th
436th53rd2,197th
697th603rd
364th
Abundant Numbers
987th
344th1,172nd2,105th1,444th
1,062nd1,423rd805th1,305th2,090th881st645th1,178th378th1,225th971st963rd370th2,370th
471st1,318th
256th54th
1,999th621st424th522nd22nd95th727th
957th811th
529th354th
555th1,881st692nd
1,615th2,156th
2,955th2,293rd1,208th1,589th
Abundant Numbers (Long)
521st1,578th636th1,633rd359th584th
876th379th695th1,648th285th895th310th1,220th89th554th341st1,071st607th604th
909th725th
233rd100th
244th407th474th371st37th3rd425th529th
782nd728th
64th470th
879th501st412th980th
266th1,840th
632nd411th441st670th
Arabic to Roman
459th
919th
148th
23rd353rd454th293rd
79th
559th
462nd
485th355th570th848th
245th1,225th499th656th
511th2nd
728th
110th
472nd204th218th618th306th341st
Arithmetic Numbers
556th
278th1,341st440th403rd
208th188th177th
1,099th
100th
197th444th
281st
485th
933rd358th256th
114th
176th341st459th29th338th164th547th
448th
638th38th
899th524th
377th228th
195th304th387th421st
Arrows
463rd
643rd
Ascending Primes
524th
223rd
628th
267th
459th
228th
387th113th27th183rd
840th
657th114th
354th
418th
389th
ASCII Table
841st
521st
576th
357th
571st
246th
328th334th
635th
361st945th
35th934th387th
697th327th
250th180th
879th248th
671st
1,344th
Billiards
362nd
360th
brainfuck
1,317th
721st
331st
569th463rd
97th
1,128th
330th
210th61st
302nd
669th
Calendar
43rd
284th
2nd
Card Number Validation
527th76th
332nd
556th
399th
274th
354th
330th106th
364th
290th
604th282nd
473rd136th
432nd
438th
270th
Catalan Numbers
534th
1,035th
1,083rd380th
289th921st1,458th428th858th307th668th813th751st626th371st
564th698th
419th220th
204th
977th142nd
194th
763rd
757th890th474th696th30th1,311th1,187th
118th
650th
613th
756th
597th
Catalan’s Constant
653rd351st
184th
214th
199th
249th
3rd
772nd
277th
178th626th
390th
254th
142nd
Christmas Trees
228th
626th
178th
1,145th55th
589th
1,088th290th
127th
492nd420th246th34th747th359th
291st1,838th255th
324th254th
357th718th
1,266th
335th409th
Collatz
464th
277th2,124th830th745th
1,225th92nd
944th1,615th1,368th577th
618th
1,935th729th1,061st
2,793rd704th638th
1,616th940th1,157th
140th38th204th837th1,153rd1,008th
957th920th69th
279th475th
1,373rd1,233rd341st1,062nd
703rd1,104th690th2,363rd1,329th743rd
Continued Fractions
293rd
CSS Colors
125th
203rd
270th
1st
240th
Cubes
176th
514th
322nd
Day of Week
640th1,253rd981st847th
623rd351st
496th
578th593rd472nd670th747th334th
1,011th366th
416th
280th111th385th1,314th
395th783rd402nd
584th
530th1st
65th257th
834th
450th
743rd632nd
DFA Simulator
511th
Diamonds
357th580th727th41st872nd336th
686th818th
313th96th
709th
771st
Divisors
1,085th
1,774th2,402nd908th1,562nd
1,277th1,651st1,456th720th1,745th2,275th933rd3,070th1,052nd1,305th
2,717th1,255th3,069th
922nd883rd2,698th
1,050th213th
1,205th1,169th1,445th1,779th252nd779th276th
2,039th1,149th1,178th1,439th397th
36th314th2,661st2,695th1,011th326th1,487th
2,252nd2,429th1,322nd4,528th779th1,273rd
Emirp Numbers
803rd765th
581st
1,034th230th501st
1,202nd
236th
795th
498th592nd
999th632nd
1,085th
758th793rd583rd1,131st624th752nd
652nd1,040th134th293rd169th161st
823rd
943rd
199th
1,107th712th
Emirp Numbers (Long)
70th269th122nd315th
106th127th83rd561st514th
509th546th267th149th121st
355th
229th
337th167th103rd
85th440th
688th
172nd238th478th358th251st194th98th143rd
135th678th190th273rd
62nd73rd53rd120th366th148th250th
133rd82nd
116th145th241st178th
Emojify
157th
171st
150th266th
Evil Numbers
2,467th1,533rd2,755th1,771st
694th619th816th1,378th1,390th718th1,282nd459th1,228th1,232nd588th
872nd
491st
1,678th1,119th845th
863rd1,362nd
194th
621st367th
2,638th1st1,794th
2,782nd
2,632nd1,148th1,033rd575th48th2,119th2,459th
2,063rd1,168th428th672nd
2,376th1,977th
1,958th3,164th1,386th2,555th
Evil Numbers (Long)
1,256th1,305th747th1,033rd
734th530th671st
385th746th710th363rd943rd643rd394th
759th
335th
1,247th1,098th629th
504th932nd
85th
416th108th
1,454th1st870th
1,058th
1,085th1,541st765th243rd475th44th1,052nd1,669th
1,308th652nd411th
587th546th
703rd1,816th879th816th
Factorial Factorisation
182nd118th230th
466th
367th282nd
180th
401st135th
411th132nd
143rd268th
100th117th
129th
42nd323rd
59th26th
340th210th227th
161st
Farey Sequence
303rd
306th373rd258th133rd
201st102nd140th447th545th372nd83rd537th450th192nd147th176th272nd346th
321st324th219th
155th409th
471st112th31st
225th
298th246th366th342nd229th288th336th614th442nd3rd235th
665th530th389th214th
287th172nd302nd515th166th282nd280th419th
Fibonacci
4,987th3,325th2,629th2,228th3,448th2,277th1,202nd
795th446th648th3,417th3,174th2,352nd3,589th2,541st389th1,892nd1,117th2,795th2,635th2,929th4,747th992nd1,090th2,799th753rd2,047th2,114th413th
6,698th3,167th488th230th2,015th513th5,810th2,445th528th2,609th2,208th1,988th3,380th2,815th371st1,870th56th774th1,997th1,213th1,142nd732nd2,158th8,180th2,681st2,125th2,144th5,043rd960th3,416th3,092nd4,856th
Fizz Buzz
4,900th1,887th
2,176th636th4,242nd1,191st10,501st1,331st2,839th2,795th5,534th5,361st4,547th1,697th1,167th5,173rd1,763rd1,705th9,301st3,664th7,601st
1,998th
2,145th5,364th5,288th1,255th1,275th6,916th8,200th3,529th584th23rd713th1,607th4,522nd3,783rd1,642nd4,740th4,516th7,179th4,308th504th426th
613th1,187th1,586th5,676th2,712th1,922nd1,693rd11,595th8,533rd689th1,233rd
2,163rd8,590th1,248th5,882nd
Foo Fizz Buzz Bar
368th958th1,303rd1,020th
1,030th
271st
1,342nd
1,035th
308th
135th523rd216th299th873rd
2,022nd139th389th
25th289th
974th
901st
839th
Forsyth–Edwards Notation
429th
604th
543rd
270th
206th
394th
208th363rd464th111th374th
416th448th
178th80th
510th
324th
467th428th
Fractions
259th1,408th
1,175th
192nd718th274th798th390th551st639th472nd
950th
1,333rd568th
752nd
596th845th967th
270th131st
332nd821st305th474th
561st178th
96th364th
830th10th731st583rd
771st
1,450th923rd
Game of Life
369th
656th
264th
Gijswijt’s Sequence
285th294th
162nd
496th
31st
258th152nd
148th
369th155th212th
310th
363rd398th217th167th
272nd
429th408th
6th176th
442nd190th411th
150th326th
175th83rd94th253rd
Gray Code Decoder
408th
236th
309th269th
317th174th
Gray Code Encoder
474th
448th
417th
266th69th
163rd
515th
25th479th251st
46th
Happy Numbers
199th582nd1,165th
1,013th987th
618th270th851st1,222nd1,093rd
845th
280th733rd498th
374th757th431st995th628th
478th712th608th947th
763rd1,102nd
1,056th1,146th1,169th167th450th223rd
1,229th819th955th1,082nd
1,285th
297th1,026th
Happy Numbers (Long)
512th
177th650th383rd560th
322nd428th
214th
416th434th481st
1,158th711th
450th381st294th564th228th131st
270th254th222nd117th
404th654th
919th357th744th
234th173rd
421st1,107th686th725th
838th
683rd377th
Hexdump
255th207th
111th
373rd301st
557th
388th
310th195th258th
241st
202nd248th
141st
239th151st
58th
261st434th171st
287th106th436th
19th90th
507th219th
201st74th
237th153rd
Intersection
680th
563rd
437th
705th
505th359th
303rd
320th
170th671st
597th
324th
516th
Inventory Sequence
305th574th442nd
295th
328th
382nd
521st
472nd
106th514th
227th167th
743rd
512th629th
87th476th
307th554th
362nd257th
ISBN
303rd192nd786th285th
400th
822nd
439th
606th
470th929th
544th554th
483rd
174th25th828th61st755th569th622nd
1,192nd171st380th
114th193rd
901st967th
778th
562nd1,410th634th
Jacobi Symbol
464th
345th
16th
211th
92nd
397th538th
248th97th
515th
400th
316th418th
Kaprekar Numbers
102nd137th93rd198th
109th66th49th73rd84th493rd
464th13th96th113th
139th
123rd134th127th
359th
67th19th
203rd
38th244th89th
104th125th208th470th
108th509th
201st197th186th
71st135th
94th157th122nd145th
Kolakoski Constant
653rd62nd
248th
73rd
342nd
77th643rd
344th
211th
Kolakoski Sequence
288th53rd
539th293rd450th946th1,008th
205th
385th
306th
434th319th
226th143rd
333rd
308th320th764th
63rd895th
583rd
714th
906th
432nd514th
Leap Years
968th
1,045th1,155th2,488th209th
293rd655th267th934th1,058th3,325th537th2,793rd56th417th319th2,237th667th624th229th2,617th2,739th867th1,027th
329th242nd
631st78th674th287th2,277th509th448th793rd
1,096th555th468th1,822nd374th372nd
681st1,184th1,467th
1,990th789th1,231st
878th3,596th311th995th
Levenshtein Distance
376th
436th
88th250th
983rd405th
63rd
478th
355th346th
471st318th494th216th
343rd193rd
26th
486th60th
47th481st
400th306th
169th796th473rd
Leyland Numbers
716th
286th
110th972nd931st560th
163rd338th
599th291st
392nd310th
142nd456th204th72nd
365th
860th363rd
4th346th
628th595th
739th639th388th
784th178th838th324th
ln 2
590th
708th339th
287th
862nd199th538th289th274th388th
379th454th
335th
451st240th
404th139th
78th
561st
3rd
253rd
28th829th
419th
282nd
259th
284th
342nd
Look and Say
1,425th1,385th317th585th
717th1,238th111th684th
432nd
864th1,218th447th209th
841st82nd
234th
263rd
1,301st
1,335th632nd611th108th
423rd96th855th
167th
145th
1,254th
Lucky Numbers
278th472nd222nd407th
326th324th343rd380th
410th
519th
345th413th
283rd518th
273rd
94th415th368th243rd
330th
152nd165th
401st
337th102nd394th
210th764th314th319th
35th331st
159th590th
530th819th
366th946th298th256th
Lucky Tickets
606th
323rd109th
244th
330th321st
473rd
Mahjong
261st
Mandelbrot
76th
109th78th
186th50th270th
264th248th126th
247th
145th203rd
321st
274th59th233rd
315th143rd
341st24th
294th246th
136th165th162nd168th
Maze
539th
Medal Tally
159th
389th
413th
294th
286th
239th
133rd320th
46th
216th380th
148th151st
386th
114th
Minesweeper
261st
304th
Morse Decoder
101st
61st
Morse Encoder
391st
160th
Musical Chords
371st
332nd
368th
N Queens
307th
184th132nd
Niven Numbers
1,072nd2,673rd624th1,132nd1,180th587th
1,287th955th1,361st609th1,831st1,124th385th1,910th296th923rd733rd788th1,240th1,262nd1,455th2,332nd1,441st1,355th712th1,782nd1,535th334th
2,565th2,105th635th73rd1,524th1,150th460th694th363rd548th1,035th1,247th1,594th661st575th843rd8th615th55th1,844th2,017th405th1,211th2,036th2,265th1,000th807th
1,415th2,064th760th2,289th
Niven Numbers (Long)
773rd
250th875th512th422nd
898th350th873rd818th1,150th993rd854th1,508th151st1,308th793rd1,010th754th491st392nd
882nd789th820th1,365th458th261st
1,495th
727th313th749th170th2nd430th802nd415th625th631st1,112th858th563rd498th127th308th21st1,563rd73rd293rd877th
663rd408th445th1,451st866th1,660th1,255th932nd
Number Spiral
497th
306th
208th
252nd295th
330th
203rd
282nd
583rd
357th153rd
281st688th
324th448th
422nd
439th456th
653rd
154th
100th467th
Odious Numbers
2,144th1,714th2,124th1,371st
421st541st652nd1,137th1,285th626th1,045th347th1,138th1,234th454th
749th
1,018th
1,328th1,150th583rd
535th1,180th
151st
335th236th
2,187th1st1,382nd1,334th2,379th
2,435th1,583rd860th440th46th1,944th2,174th
1,917th1,082nd555th562nd
1,976th2,079th
1,627th2,701st1,074th2,207th
Odious Numbers (Long)
1,429th1,255th645th1,004th
549th322nd493rd
376th723rd667th302nd916th632nd350th
747th
282nd
1,064th1,033rd571st
428th724th
131st
387th156th
1,393rd1st536th458th713th
825th1,488th1,249th191st395th44th1,255th1,281st
1,074th661st480th
527th1,012th
575th1,682nd733rd722nd
Ordinal Numbers
473rd414th
540th
648th
885th
805th719th164th480th
1,122nd502nd
902nd531st
667th373rd962nd
713th
456th45th304th279th801st797th
1,505th
149th727th252nd
195th624th752nd
231st651st936th122nd1,695th
325th
682nd
799th
PalindromemordnilaP
505th
347th
433rd196th
695th
571st
610th
435th294th
482nd502nd
647th
363rd
Pangram Grep
1,292nd2,148th581st1,587th
2,050th977th
1,124th817th1,701st622nd
1,141st596th1,070th518th512th
799th412th
454th156th
414th
368th56th728th435th96th255th
1,039th901st250th760th86th340th650th
347th198th
420th944th
532nd840th495th494th
Partition Numbers
218th494th181st400th
273rd145th237th393rd
229th387th
248th
454th261st194th
339th294th
140th270th
242nd
302nd307th174th351st
323rd481st
257th328th266th406th
124th198th170th265th
Pascal’s Triangle
740th
997th1,585th330th384th
643rd530th569th1,636th1,000th841st573rd1,259th
874th969th1,335th1,091st
1,213th755th919th427th842nd682nd838th
1st
559th515th232nd662nd1st319th202nd1,066th1,216th299th549th476th923rd
96th155th393rd649th430th173rd680th
292nd350th508th539th
934th547th
Pernicious Numbers
605th1,163rd808th484th
271st354th556th915th1,438th988th334th1,306th247th841st679th1,228th1,032nd729th1,152nd1,004th1,143rd1,583rd699th1st635th1,642nd
124th1,419th463rd174th
324th1,204th753rd408th531st899th861st219th298th150th764th40th672nd110th
516th430th1,131st1,206th2,302nd390th593rd
927th1,385th648th1,312th
Pernicious Numbers (Long)
428th400th794th664th
819th
576th
318th
118th212th72nd523rd
435th
138th
443rd439th
179th706th
1st
282nd758th
132nd222nd241st
329th
526th661st415th67th437th38th338th
366th196th506th
216th643rd705th728th317th
417th
Poker
472nd
231st
Polyominoes
210th
Prime Numbers
3,076th965th1,499th1,732nd2,395th714th
1,012th1,790th1,388th797th1,457th742nd423rd1,975th2,006th1,595th1,134th613th948th1,694th254th
1,002nd
678th333rd
1st793rd785th178th547th625th1st1,732nd387th1,659th
319th1,379th534th1,157th122nd499th222nd1,428th1,300th518th1,115th720th
2,430th1,402nd
1,884th
659th2,760th
Prime Numbers (Long)
1,300th871st553rd
1,052nd700th
708th531st797th1,245th662nd
408th1,543rd691st794th625th933rd764th1,289th173rd
1,218th981st890th
649th962nd
1st672nd431st199th1,117th375th1st588th519th639th
1,479th1,109th372nd
112th396th896th831st328th452nd916th
835th1,448th
727th
607th949th
Proximity Grid
402nd
486th
QR Decoder
305th
199th
266th
214th
391st
Quine
1st1,586th
3,652nd276th3,724th2,995th2,188th4,255th1,524th4,202nd3,122nd2,999th5,059th3,022nd655th3,172nd1,925th
1,805th2,272nd4,090th4,868th620th
2,608th1,637th153rd2,046th738th2,176th1,990th2,804th1,598th2,308th1,711th1,461st1st2,857th1,339th1,742nd1,947th1,782nd552nd3,069th4,043rd1,891st170th4,822nd608th4,839th480th1,440th1,914th3,391st1,830th3,352nd1,767th5,172nd3,853rd2,162nd3,008th2,611th
Recamán
194th513th438th145th
341st184th104th708th
167th531st538th233rd546th1,044th430th
817th765th470th
91st510th
579th
156th24th849th310th
521st284th279th
601st
490th49th
41st85th
397th220th564th
318th182nd
358th592nd391st640th
Repeating Decimals
486th
295th302nd4th
Reverse Polish Notation
945th510th
269th
345th
681st1st670th
518th489th
519th488th
884th293rd
Rijndael S-box
387th
289th
514th73rd
439th
62nd
Rock-paper-scissors-Spock-lizard
467th
Roman to Arabic
211th671st579th496th
479th456th477th635th271st419th580th771st139th371st353rd669th302nd
72nd
373rd356th310th
190th
690th
399th231st176th247th
362nd347th427th
121st567th446th284th
47th2nd
463rd330th387th
250th383rd
154th241st273rd380th
ROT13
549th566th
635th
713th
630th272nd
845th400th
691st
347th
734th432nd850th669th
489th
226th121st487th
55th310th298th
349th
155th
1st
Rule 110
266th
66th
259th
453rd
289th
576th365th
293rd
184th117th
40th
Scrambled Sort
140th
461st
491st
399th
392nd
398th237th
376th88th
Set
344th
336th
287th
296th70th
422nd
175th
Seven Segment
681st
910th
1,045th
493rd230th
205th
274th
140th
669th
597th
Sierpiński Triangle
970th1,097th
312th
891st
450th1,205th
730th692nd
818th
421st
1,006th
562nd
1,127th1,118th815th
926th906th855th
218th688th1,039th
347th
438th
924th
Smith Numbers
421st
82nd103rd
400th113th295th
144th274th150th
199th
139th58th
104th
570th
164th286th
48th
432nd
223rd375th
442nd248th
471st
240th189th
Spelling Numbers
87th
1st
587th387th
510th
Star Wars GPT
210th
221st
216th
255th178th
240th
Star Wars Opening Crawl
207th
Sudoku
319th
312th
Sudoku (Fill-in)
276th
273rd
158th
Ten-pin Bowling
367th
202nd
221st171st
Tic-tac-toe
309th
424th
235th
195th
219th
181st25th218th227th
317th
353rd236th205th
382nd220th
210th
177th
138th
113th
Time Distance
292nd451st
250th
256th53rd
Tongue-twisters
1,231st
892nd
667th
794th
63rd
43rd
250th413th
497th
867th
Topological Sort
310th
345th58th
355th
Tower of Hanoi
478th527th
125th258th212th
204th329th
542nd
694th438th
390th
103rd351st
585th
441st615th
134th
665th
546th313th522nd673rd
Transpose Sentence
439th
400th
538th
315th
258th
1st421st122nd
629th
148th659th
223rd
51st202nd
180th
394th755th
592nd
Trinomial Triangle
349th
257th
166th
332nd217th238th180th
174th188th46th
94th
263rd60th173rd
269th
177th
97th
United States
441st
408th
253rd
154th
258th
260th
42nd132nd90th
417th213th
116th9th
244th
474th
Vampire Numbers
794th823rd
750th88th
266th
384th
65th
111th262nd
432nd
644th
Van Eck Sequence
567th712th444th
377th
385th
503rd
335th
332nd
634th
319th515th
886th
279th176th
779th
837th
790th
Zeckendorf Representation
290th366th317th276th
305th222nd
460th504th278th435th316th
183rd412th326th271st
286th294th
76th
86th74th108th339th
209th
302nd
346th323rd265th
48th94th
151st470th218th329th
304th140th
181st189th157th255th
γ
319th
308th
1st
1,282nd
383rd298th
433rd
278th
λ
713th
497th
326th
311th781st
818th
π
558th
718th1,248th
1,559th577th286th
345th389th
371st1,443rd
780th321st
442nd
452nd358th
7th
922nd
1,407th
586th
387th
237th
811th
678th
520th1,256th
346th
239th
322nd
τ
621st
1,084th525th353rd
324th357th
333rd
283rd
419th
421st270th
15th
1,022nd
510th
345th
195th
662nd
485th
308th
219th
288th
φ
660th
787th529th
418th511th659th571st598th1,250th398th223rd617th595th650th
434th
753rd
604th429th
719th482nd235th
171st
618th565th
69th
795th502nd
1,196th
46th711th479th
13th400th
668th422nd488th
421st232nd
412th
384th610th
√2
754th
1,080th703rd
571st440th1,449th307th232nd609th585th705th
564th
617th
479th
672nd271st
240th341st
140th
292nd
1,392nd
110th
547th
4th
916th
523rd
257th
366th
689th
𝑒
728th
517th551st369th548th
429th402nd328th378th711th629th291st208th617th387th413th1,071st463rd696th
409th458th331st1,005th679th472nd
416th181st
20th
746th451st437th
502nd244th323rd373rd602nd70th327th
761st693rd425th383rd
423rd324th
397th415th421st459th