12 Days of Christmas
238th
1,308th
1,715th
1,181st
1,105th
1,128th
2,007th
1,375th
846th
1,282nd
1,388th
954th
218th
730th
1,015th
313th
24 Game
414th
290th
99 Bottles of Beer
341st
1,395th
1,240th
920th
226th
1,309th
1,115th
1,211th
480th
462nd
1,224th
741st
754th
955th
Abundant Numbers
613th
2,265th
1,849th
1,526th
798th
975th
538th
623rd
1,122nd
1,119th
1,541st
1,138th
1,035th
2,119th
2,271st
1,625th
1,924th
860th
2,368th
470th
500th
2,411th
2,616th
1,835th
1,045th
332nd
1,634th
2,665th
1,669th
2,779th
1,923rd
1,026th
Abundant Numbers (Long)
922nd
1,349th
1,118th
440th
890th
385th
850th
260th
495th
1,011th
715th
341st
1,042nd
1,269th
526th
1,377th
315th
562nd
1,369th
501st
1,007th
1,151st
465th
1,320th
1,010th
639th
Arabic to Roman
330th
406th
334th
198th
561st
38th
430th
669th
775th
47th
462nd
144th
496th
338th
Arithmetic Numbers
597th
658th
374th
353rd
196th
417th
525th
185th
489th
415th
281st
980th
821st
768th
212th
297th
288th
877th
678th
560th
666th
645th
139th
859th
695th
661st
468th
480th
432nd
642nd
345th
Arrows
578th
555th
719th
432nd
556th
508th
631st
391st
353rd
581st
415th
Ascending Primes
304th
338th
349th
377th
399th
359th
257th
317th
379th
368th
378th
50th
383rd
388th
252nd
427th
237th
350th
467th
400th
330th
463rd
437th
128th
305th
348th
ASCII Table
504th
799th
701st
389th
500th
228th
350th
702nd
441st
643rd
454th
689th
333rd
174th
387th
598th
brainfuck
932nd
650th
636th
480th
Catalan Numbers
988th
830th
955th
544th
554th
531st
671st
847th
405th
158th
689th
441st
309th
868th
619th
426th
590th
538th
737th
511th
Catalan’s Constant
933rd
903rd
807th
690th
362nd
856th
596th
652nd
532nd
266th
898th
794th
889th
765th
853rd
954th
831st
449th
524th
1,126th
960th
599th
631st
887th
3rd
981st
688th
778th
623rd
379th
576th
1,077th
834th
1,062nd
924th
832nd
616th
1,096th
445th
1,104th
560th
280th
343rd
673rd
859th
314th
609th
546th
233rd
514th
Christmas Trees
1,595th
1,021st
1,191st
1,310th
1,065th
1,241st
734th
782nd
615th
776th
1,292nd
609th
934th
906th
784th
379th
308th
1,710th
529th
735th
778th
Collatz
420th
1,397th
839th
1,038th
181st
661st
1,581st
672nd
1,086th
1,797th
891st
223rd
553rd
1,839th
1,045th
349th
1,025th
1,390th
1,239th
1,282nd
1,557th
817th
CSS Colors
574th
465th
392nd
922nd
75th
434th
322nd
468th
1st
267th
414th
428th
456th
Cubes
229th
623rd
615th
660th
561st
144th
83rd
Day of Week
658th
591st
142nd
728th
408th
226th
729th
559th
492nd
344th
376th
250th
264th
229th
551st
691st
456th
637th
88th
46th
721st
837th
664th
651st
514th
631st
DFA Simulator
266th
Diamonds
880th
637th
627th
296th
478th
1,035th
751st
663rd
993rd
742nd
815th
438th
1,090th
1,263rd
485th
Divisors
1,946th
3,150th
1,606th
1,697th
1,645th
1,531st
2,015th
2,765th
1,543rd
1,863rd
1,546th
3,095th
3,572nd
2,403rd
977th
1,143rd
1,307th
2,883rd
1,473rd
1,707th
2,626th
1,679th
22nd
2,040th
481st
2,122nd
2,758th
951st
2,176th
1,752nd
Emirp Numbers
1,721st
1,712th
837th
543rd
307th
185th
489th
266th
399th
809th
1,110th
539th
661st
558th
444th
2,289th
440th
817th
1,253rd
1,676th
654th
1,594th
423rd
227th
680th
755th
1,143rd
596th
1,001st
678th
763rd
Emirp Numbers (Long)
532nd
372nd
447th
441st
339th
366th
729th
403rd
506th
413th
218th
324th
588th
710th
707th
489th
534th
400th
387th
397th
263rd
Emojify
363rd
557th
419th
582nd
357th
474th
530th
320th
Evil Numbers
2,051st
1,344th
1,924th
1,462nd
534th
459th
642nd
771st
660th
584th
478th
823rd
521st
577th
1,412th
451st
2,287th
555th
2,639th
3,799th
1,472nd
503rd
419th
337th
1,443rd
2,302nd
2,724th
1,372nd
1,957th
1,976th
1,476th
1,234th
2,731st
714th
35th
3,000th
1,582nd
1,425th
1,310th
1,229th
1,584th
965th
893rd
3,002nd
1,184th
922nd
Evil Numbers (Long)
902nd
1,077th
575th
585th
531st
254th
513th
470th
204th
311th
471st
341st
943rd
268th
1,206th
411th
1,265th
849th
388th
290th
705th
1,138th
464th
734th
947th
723rd
1,220th
1,165th
31st
1,360th
1,520th
805th
681st
422nd
402nd
462nd
1,424th
624th
591st
Factorial Factorisation
536th
491st
472nd
519th
395th
541st
486th
481st
408th
569th
575th
448th
467th
433rd
505th
125th
419th
615th
450th
437th
402nd
589th
622nd
478th
428th
359th
584th
530th
513th
457th
555th
605th
385th
601st
423rd
304th
378th
442nd
397th
523rd
548th
461st
365th
Farey Sequence
516th
452nd
468th
524th
499th
450th
420th
474th
477th
396th
448th
469th
551st
553rd
607th
400th
504th
416th
496th
446th
442nd
517th
479th
Fibonacci
1,745th
3,482nd
1,898th
1,552nd
7,179th
513th
695th
730th
4,581st
4,003rd
2,109th
2,985th
1,654th
1,487th
4,571st
4,939th
2,404th
3,514th
588th
6,500th
3,197th
4,486th
655th
143rd
5,512th
5,208th
4,306th
388th
1,676th
2,688th
2,382nd
2,553rd
268th
4,079th
30th
4,903rd
2,187th
1,859th
2,406th
2,356th
2,015th
1,920th
1,701st
797th
6,428th
3,204th
2,008th
Fizz Buzz
1,244th
7,469th
5,107th
1,300th
2,143rd
2,829th
1,434th
3,791st
9,431st
1,274th
4,418th
4,252nd
2,315th
3,966th
6,398th
4,430th
8,745th
6,572nd
1,260th
104th
3,848th
4,069th
7,241st
1,819th
2,879th
4,327th
598th
3,085th
6,597th
3,776th
4,770th
4,114th
6,894th
4,512th
9,378th
4,385th
5,435th
Foo Fizz Buzz Bar
294th
1,328th
432nd
1,262nd
1,249th
1,163rd
1,180th
247th
855th
1,125th
983rd
1,718th
1,199th
1,778th
521st
706th
1,526th
886th
675th
10th
1,174th
1,369th
950th
1,518th
1,012th
1,625th
1,161st
1,123rd
1,254th
Forsyth–Edwards Notation
192nd
466th
473rd
465th
317th
444th
394th
393rd
505th
410th
428th
293rd
Fractions
844th
903rd
582nd
979th
573rd
661st
316th
1,241st
1,024th
1,153rd
180th
711th
927th
Game of Life
533rd
519th
Gijswijt’s Sequence
160th
314th
231st
313th
346th
259th
299th
213th
241st
329th
278th
89th
277th
276th
126th
Happy Numbers
1,184th
1,602nd
1,362nd
714th
642nd
480th
511th
325th
366th
880th
905th
1,027th
527th
355th
287th
494th
264th
549th
702nd
1,377th
1,572nd
718th
1,685th
1,731st
1,008th
216th
402nd
1,229th
886th
1,030th
1,083rd
1,033rd
857th
648th
2,044th
614th
615th
Happy Numbers (Long)
847th
968th
527th
452nd
645th
649th
464th
972nd
549th
1,158th
687th
440th
1,111th
946th
1,128th
156th
327th
774th
886th
727th
652nd
712th
412th
773rd
841st
439th
262nd
390th
1,061st
732nd
369th
Hexdump
267th
299th
429th
286th
254th
134th
436th
325th
76th
351st
137th
Intersection
779th
755th
667th
739th
596th
247th
938th
717th
631st
Inventory Sequence
655th
629th
619th
606th
590th
612th
550th
513th
588th
632nd
554th
610th
662nd
573rd
503rd
ISBN
870th
268th
583rd
704th
510th
473rd
484th
785th
854th
392nd
179th
194th
368th
749th
654th
838th
324th
645th
350th
644th
Jacobi Symbol
335th
432nd
401st
380th
383rd
337th
398th
Kolakoski Constant
1,119th
918th
802nd
663rd
368th
1,175th
643rd
644th
557th
284th
828th
757th
887th
841st
609th
829th
695th
357th
558th
1,155th
939th
655th
612th
853rd
1,069th
1,138th
579th
674th
717th
427th
580th
1,052nd
859th
976th
698th
824th
897th
1,085th
420th
1,100th
492nd
559th
333rd
538th
880th
440th
610th
591st
518th
531st
Kolakoski Sequence
928th
484th
630th
594th
713th
531st
733rd
394th
450th
551st
165th
256th
413th
706th
775th
825th
208th
383rd
470th
650th
411th
Leap Years
1,401st
2,037th
2,447th
797th
899th
836th
631st
788th
2,858th
1,503rd
1,540th
641st
1,158th
1,915th
1,447th
282nd
2,917th
954th
1,877th
588th
416th
2,407th
1,560th
2,839th
2,130th
2,796th
2,875th
1,393rd
663rd
1,455th
1,470th
2,793rd
2,983rd
1,780th
1,919th
2,040th
1,675th
2,097th
795th
1,796th
3,191st
1,378th
1,643rd
Levenshtein Distance
671st
608th
210th
110th
498th
475th
315th
699th
564th
Leyland Numbers
660th
895th
662nd
506th
806th
124th
457th
723rd
856th
640th
19th
919th
870th
548th
ln 2
945th
792nd
750th
687th
653rd
828th
600th
663rd
583rd
680th
290th
762nd
815th
800th
812th
884th
834th
637th
521st
1,024th
874th
669th
585th
826th
117th
856th
821st
720th
612th
571st
559th
1,011th
782nd
973rd
825th
265th
713th
987th
525th
1,000th
603rd
422nd
511th
629th
856th
479th
602nd
540th
502nd
570th
Look and Say
930th
403rd
704th
657th
497th
665th
531st
439th
651st
890th
576th
743rd
756th
887th
Lucky Numbers
574th
586th
564th
559th
538th
402nd
671st
Lucky Tickets
466th
457th
Mahjong
102nd
90th
82nd
Maze
380th
Medal Tally
346th
334th
380th
369th
315th
360th
282nd
Morse Decoder
386th
608th
535th
523rd
311th
Morse Encoder
432nd
605th
582nd
513th
Musical Chords
325th
314th
321st
330th
312th
N Queens
238th
235th
64th
Niven Numbers
1,411th
1,284th
831st
497th
1,116th
286th
1,132nd
916th
1,021st
761st
218th
873rd
671st
713th
657th
629th
1,297th
1,393rd
747th
266th
2,037th
583rd
519th
81st
233rd
1,311th
1,824th
314th
405th
967th
1,038th
1,244th
565th
334th
727th
424th
1,602nd
362nd
1,255th
1,046th
378th
1,805th
478th
702nd
1,816th
595th
2,169th
640th
1,059th
Niven Numbers (Long)
1,244th
1,200th
390th
403rd
626th
630th
615th
713th
578th
1,215th
875th
571st
993rd
481st
285th
1,057th
823rd
327th
1,004th
1,217th
1,251st
351st
799th
133rd
683rd
1,026th
502nd
442nd
547th
699th
1,341st
1,127th
825th
390th
514th
1,028th
149th
966th
1,154th
364th
620th
381st
752nd
475th
1,303rd
877th
611th
Number Spiral
249th
440th
197th
359th
306th
147th
361st
262nd
322nd
297th
414th
329th
372nd
371st
119th
225th
365th
273rd
110th
Odious Numbers
1,794th
1,506th
1,705th
1,020th
369th
327th
516th
572nd
595th
281st
475th
911th
491st
534th
854th
394th
1,925th
464th
1,870th
3,060th
657th
411th
355th
186th
963rd
1,619th
2,384th
1,072nd
1,551st
1,616th
1,458th
1,104th
2,519th
582nd
33rd
2,507th
1,783rd
1,057th
999th
991st
1,677th
971st
579th
2,551st
919th
743rd
Odious Numbers (Long)
849th
920th
476th
621st
329th
246th
258th
391st
266th
292nd
479th
313th
931st
233rd
1,075th
397th
1,009th
441st
382nd
169th
649th
891st
371st
496th
883rd
781st
1,202nd
1,052nd
31st
1,259th
1,364th
727th
635th
405th
685th
435th
1,285th
565th
486th
Ordinal Numbers
906th
1,212th
1,033rd
1,172nd
1,060th
382nd
178th
197th
1,353rd
1,103rd
1,043rd
Pangram Grep
757th
1,304th
1,154th
1,281st
819th
376th
1,543rd
1,296th
1,736th
1,063rd
825th
1,366th
895th
928th
169th
71st
795th
1,398th
209th
1,119th
1,502nd
1,913th
1,356th
1,116th
1,844th
1,245th
1,290th
Pascal’s Triangle
859th
969th
918th
633rd
884th
1,244th
958th
956th
598th
550th
1,332nd
764th
617th
775th
548th
1,357th
1,066th
Pernicious Numbers
2,219th
475th
956th
636th
441st
1,981st
209th
293rd
455th
813th
747th
342nd
195th
669th
561st
618th
581st
603rd
799th
908th
509th
269th
1,404th
2,373rd
382nd
701st
534th
114th
575th
1,109th
891st
273rd
393rd
721st
656th
174th
238th
95th
594th
24th
952nd
144th
982nd
158th
362nd
1,571st
1,688th
318th
431st
1,249th
413th
1,433rd
491st
738th
Pernicious Numbers (Long)
749th
691st
719th
640th
390th
547th
301st
336th
443rd
488th
601st
97th
624th
568th
676th
130th
736th
354th
617th
405th
459th
541st
363rd
470th
673rd
625th
861st
261st
529th
822nd
702nd
767th
484th
407th
Poker
154th
Prime Numbers
1,218th
2,020th
1,228th
766th
1,176th
799th
1,229th
728th
741st
412th
2,304th
1,671st
1,210th
607th
732nd
219th
397th
260th
4,138th
1st
553rd
775th
871st
1,403rd
1st
2,258th
1,306th
462nd
1,597th
1,004th
1,568th
1,376th
515th
88th
2,264th
1,278th
966th
175th
521st
1,356th
1,146th
1,712th
526th
3,265th
1,665th
1,142nd
Prime Numbers (Long)
950th
1,616th
776th
441st
827th
494th
679th
865th
1,140th
921st
598th
118th
606th
1st
530th
817th
1,518th
1st
793rd
945th
1,532nd
1,027th
1,667th
1,105th
938th
1,008th
898th
468th
1,750th
1,033rd
558th
Proximity Grid
343rd
340th
QR Decoder
298th
Quine
1st
1,520th
216th
4,096th
1,968th
3,224th
2,109th
3,632nd
2,387th
1,554th
2,353rd
1,501st
1,378th
2,090th
1,432nd
2,283rd
1,749th
3,080th
3,703rd
1,517th
1,821st
1,171st
1,031st
1,093rd
1,582nd
1,479th
445th
2,422nd
534th
4,202nd
3,822nd
387th
1,274th
1,454th
2,800th
3,296th
1,708th
Recamán
416th
955th
783rd
887th
741st
817th
854th
633rd
864th
592nd
801st
716th
Repeating Decimals
348th
Reverse Polish Notation
576th
641st
251st
Rijndael S-box
417th
378th
362nd
104th
115th
493rd
Rock-paper-scissors-Spock-lizard
174th
381st
709th
474th
534th
694th
461st
147th
Roman to Arabic
744th
852nd
823rd
900th
8th
822nd
721st
Rule 110
635th
490th
864th
634th
Seven Segment
603rd
676th
550th
394th
590th
503rd
464th
620th
511th
515th
SI Units
188th
194th
156th
Sierpiński Triangle
649th
688th
680th
622nd
785th
628th
508th
514th
663rd
285th
546th
583rd
445th
794th
705th
610th
548th
614th
Smith Numbers
641st
275th
649th
656th
Spelling Numbers
320th
385th
304th
36th
279th
Star Wars Opening Crawl
275th
261st
246th
100th
96th
Sudoku
358th
346th
Sudoku v2
316th
313th
Ten-pin Bowling
389th
Time Distance
292nd
356th
239th
255th
159th
Tongue-twisters
422nd
384th
534th
621st
690th
354th
642nd
460th
583rd
495th
500th
463rd
527th
622nd
595th
479th
550th
604th
228th
United States
563rd
696th
670th
517th
Vampire Numbers
678th
431st
494th
672nd
659th
647th
638th
586th
544th
614th
661st
493rd
698th
605th
602nd
578th
Van Eck Sequence
766th
773rd
587th
554th
474th
843rd
754th
846th
820th
722nd
663rd
750th
479th
Zodiac Signs
452nd
450th
γ
757th
373rd
460th
572nd
379th
595th
552nd
689th
544th
232nd
775th
716th
829th
769th
224th
798th
701st
347th
632nd
960th
837th
514th
643rd
783rd
1st
738th
692nd
419th
568th
447th
400th
862nd
470th
910th
683rd
737th
667th
937th
194th
945th
559th
246th
315th
355th
204th
287th
661st
329th
226th
239th
λ
1,312th
541st
582nd
653rd
567th
1,161st
468th
984th
283rd
871st
1,153rd
1,049th
1,326th
1,188th
924th
1,227th
1,065th
534th
861st
1,628th
1,273rd
791st
955th
1,081st
1,600th
1,262nd
930th
489th
712th
633rd
472nd
1,468th
671st
1,337th
948th
1,088th
757th
1,392nd
234th
1,575th
695th
368th
439th
617th
1,050th
413th
320th
504th
293rd
350th
π
2,747th
612th
2,027th
1,663rd
1,688th
2,222nd
1,379th
1,466th
699th
1,908th
843rd
2,113th
2,150th
2,098th
2,147th
2,278th
2,253rd
1,553rd
1,220th
2,914th
2,299th
1,634th
1,325th
967th
23rd
2,499th
2,293rd
1,845th
1,505th
1,290th
1,249th
455th
1,961st
2,696th
2,261st
771st
1,785th
2,816th
1,271st
521st
1,413th
629th
1,180th
1,521st
2,175th
1,078th
1,371st
1,576th
1,174th
1,232nd
τ
1,517th
1,238th
1,197th
1,042nd
1,062nd
1,275th
915th
965th
868th
1,175th
652nd
1,235th
1,254th
1,219th
1,236th
1,320th
1,305th
971st
822nd
1,612th
1,336th
1,028th
887th
1,249th
67th
1,414th
1,294th
1,143rd
979th
869th
841st
390th
1,128th
1,528th
1,306th
627th
1,105th
1,560th
856th
488th
928th
533rd
803rd
991st
1,280th
762nd
907th
1,006th
800th
827th
φ
1,497th
1,346th
1,253rd
1,120th
1,153rd
1,544th
1,001st
1,114th
992nd
801st
162nd
666th
810th
687th
1,383rd
1,419th
1,449th
1,058th
669th
1,002nd
1,785th
1,433rd
1,101st
679th
651st
77th
1,451st
1,388th
1,222nd
1,072nd
974th
934th
855th
1,322nd
654th
1,415th
29th
1,171st
1,764th
1,089th
508th
1,018th
736th
952nd
1,039th
805th
882nd
1,161st
1,003rd
919th
973rd
√2
1,686th
1,492nd
1,444th
1,268th
1,286th
1,724th
1,141st
1,283rd
1,146th
1,596th
487th
801st
1,558th
1,570th
1,529th
1,598th
1,597th
1,237th
233rd
2,003rd
1,614th
1,244th
256th
1,582nd
196th
1,675th
1,595th
1,326th
1,214th
1,116th
1,093rd
896th
1,386th
1,831st
1,594th
447th
1,353rd
1,948th
1,296th
946th
1,187th
826th
1,063rd
1,150th
1,907th
1,013th
1,322nd
1,171st
1,058th
1,112th
𝑒
2,130th
1,777th
1,712th
1,265th
1,381st
1,886th
1,185th
1,145th
1,075th
860th
426th
1,571st
1,584th
1,554th
1,674th
1,805th
1,817th
1,356th
1,025th
2,327th
1,894th
142nd
1,439th
1,088th
1,672nd
15th
2,167th
1,669th
1,464th
1,241st
1,190th
1,113th
840th
1,679th
2,147th
1,671st
386th
1,612th
2,244th
1,077th
708th
1,214th
758th
1,030th
1,308th
1,758th
973rd
1,144th
1,287th
1,187th
857th