12 Days of Christmas
1,326th
1,204th315th2,093rd
164th
1,643rd966th
1,548th
451st
360th
182nd203rd
1,124th
107th
2,191st
450th
24 Game
390th272nd
157th
426th
202nd
231st
61st
158th
192nd35th
149th
454th
530th
99 Bottles of Beer
228th2,092nd
1,063rd
571st392nd
181st
549th706th
1,325th115th
194th
103rd
586th
214th207th
156th
119th
1,814th848th
382nd
430th
Abundant Numbers
986th
1,168th
913th658th2,317th941st587th
456th1,219th
481st440th
1,318th1,190th634th
2,012th820th500th809th
297th738th
1,869th
538th
2,136th701st
2,304th
1,354th
Abundant Numbers (Long)
483rd
1,055th
839th1,153rd647th
180th
627th642nd
588th601st
737th750th958th
249th682nd491st820th
76th431st
719th
183rd
662nd421st
1,331st
725th
Arabic to Roman
1,008th
525th149th
703rd24th
925th1,466th
449th985th
1,592nd691st
376th
631st2nd
112th
318th
Arithmetic Numbers
440th
419th
482nd447th309th
102nd
634th628th
286th
366th302nd1,480th
1,013th
342nd1,206th
1,078th117th
625th
43rd
905th733rd
670th
543rd
Arrows
493rd
457th606th
67th
342nd388th
115th221st
276th
472nd
363rd156th
284th
41st
516th373rd
596th
Ascending Primes
508th438th
471st
600th402nd
164th
191st656th263rd
532nd
498th83rd
130th512th
425th
450th509th
863rd
291st
ASCII Table
509th
691st
693rd533rd853rd
402nd
404th482nd
543rd
271st
448th
362nd406th
1,647th194th
568th
325th
955th439th
605th
845th
Billiards
127th
329th50th
73rd
145th
137th
116th177th💎
260th
230th105th
148th
227th
81st
298th171st
brainfuck
859th
280th
184th
500th
💎
150th160th
88th
108th
913th
Calendar
30th
186th241st
117th
2nd
Card Number Validation
410th
496th264th718th
215th
173rd
495th
258th301st404th
551st
133rd457th
632nd142nd
104th
357th467th
322nd
Catalan Numbers
1,163rd539th
557th1,025th
432nd
311th670th
612th635th
570th943rd492nd
145th1,504th
642nd
35th
121st1,406th
1,450th
616th
Catalan’s Constant
947th
292nd
525th
502nd
623rd2nd
513th
276th
579th
Christmas Trees
2,485th752nd
1,148th
1,081st1,202nd
531st
313th982nd
222nd
522nd
81st
597th
425th248th
1,188th323rd
418th
893rd349th
953rd
887th
Collatz
1,250th
1,149th
712th1,468th799th
1,109th
1,084th708th
645th
647th1,037th1,120th
1,895th
381st205th
1,162nd990th
918th
169th
1,629th914th
1,161st
867th
Continued Fractions
221st
54th
76th192nd
159th
175th
209th195th
303rd
21st
173rd
CSS Colors
534th485th
548th
628th
344th
240th
439th
472nd364th
585th
1st
405th
625th
707th
Cubes
426th
376th
93rd
571st
194th
61st
292nd334th
139th
815th
1,002nd
Day of Week
911th677th
243rd
485th751st
458th643rd
689th377th600th
953rd
314th352nd
1,246th640th
1st67th
742nd868th
468th
DFA Simulator
172nd153rd
59th
110th95th
194th
💎
190th
136th74th
67th
28th
370th221st
Diamonds
1,068th
873rd
619th255th
540th
295th
405th269th
227th
119th
467th
490th380th
639th312th
452nd
1,085th513th
118th
557th
Divisors
4,777th1,066th
1,947th
2,261st4,155th3,167th
730th
420th2,444th
2,633rd1,218th
2,071st1,244th140th2,088th
2,806th1,002nd2,217th2,006th2,434th
253rd757th
1,272nd
36th
1,012th327th
1,738th
1,460th
Emirp Numbers
1,649th
933rd634th272nd261st
757th
114th233rd
367th670th924th1,021st
994th2,214th690th584th
36th812th
292nd
727th613th
1,321st
1,612th
Emirp Numbers (Long)
853rd678th
280th
579th
518th155th
419th502nd342nd
312th
640th84th
1st256th
211th
533rd587th
184th
339th
Emojify
362nd502nd
217th
434th
257th
308th487th
735th
187th
441st
943rd
Evil Numbers
989th
1,029th1,744th1,731st915th1,290th
391st1,355th
1,267th860th
1,127th1,217th41st
2,404th766th522nd2,241st2,879th1st1,326th
2,663rd1,282nd
50th
1,586th1,363rd2,682nd
2,551st
2,247th
Evil Numbers (Long)
730th
602nd
521st1,339th845th
822nd
259th615th
726th728th
736th940th37th
1,475th574th469th437th
1st445th
1,081st
124th
887th656th
1,132nd
731st
Factorial Factorisation
380th
493rd
242nd479th
330th
274th
💎
353rd
197th452nd
402nd
293rd
666th397th
587th
204th
Farey Sequence
340th
361st
331st
516th
165th
523rd401st
237th276th
326th
1st
790th
313th339th
770th262nd
426th
63rd
496th392nd
380th
374th
Fibonacci
6,383rd3,216th
3,204th6,276th7,093rd2,774th9,206th1,941st907th883rd3,406th6,192nd5,353rd3,564th9,393rd393rd1,904th2,283rd4,360th2,615th9,037th9,302nd6,965th6,849th2,701st1,014th1st2,586th5,640th7,822nd4,593rd868th232nd2,562nd5,731st1st2,460th7,901st2,597th8,674th3,963rd8,619th8,547th5,571st56th7,407th4,960th8,910th2,573rd739th9,157th
2,505th3,750th8,038th8,798th5,350th9,019th5,511th
Fizz Buzz
9,034th3,835th
2,208th
2,133rd2,865th5,822nd
1,706th
3,818th3,284th
2,836th2,912th
3,188th6,076th4,954th
7,512th585th23rd714th
4,134th1,683rd
3,674th
797th
2,725th3,071st
4,530th
7,654th
4,953rd
Foo Fizz Buzz Bar
2,303rd498th
551st
256th460th494th
189th
254th1,377th
413th469th
569th1,763rd21st
1,820th554th419th207th
730th434th
1,258th
25th
1,319th971st
505th
1,875th
1,028th
Forsyth–Edwards Notation
411th527th
202nd
296th302nd
269th
💎
460th
465th197th
375th297th
169th
658th506th
455th
Fractions
941st
1,014th
1,360th437th
156th
248th686th
451st468th
462nd1,032nd497th
510th
763rd592nd
937th310th
96th
10th492nd
1,212th
Game of Life
453rd484th
204th
503rd
💎
330th
253rd236th
358th
160th
621st
584th
Gijswijt’s Sequence
115th
473rd159th
51st
419th259th
330th138th
150th
352nd
118th
335th203rd
294th233rd
172nd
17th
569th
312th
158th
Gray Code Decoder
257th
253rd
262nd
194th
220th261st
130th
422nd
16th
249th315th285th134th
1st88th
323rd
76th
306th
292nd
Gray Code Encoder
152nd
114th358th
343rd310th
502nd224th189th
643rd169th82nd612th
1st236th
507th
30th
57th293rd
500th
Happy Numbers
1,053rd
1,015th1,299th621st308th423rd
979th856th
193rd286th
371st426th700th
983rd
1,081st611th
733rd770th
454th
1,240th826th
1,161st
1,211th
Happy Numbers (Long)
1,180th
792nd1,182nd
210th
542nd583rd
702nd
520th282nd772nd
889th
597th229th
530th398th
52nd
897th517th
709th
474th
Hexdump
417th
293rd536th
46th
270th375th
286th
149th
223rd
193rd
168th249th
227th
19th
543rd
362nd
Hilbert Curve
63rd
5th
53rd
127th
Intersection
526th958th
321st
258th335th
392nd
271st
319th
709th
369th548th
1,201st624th
184th
855th143rd
168th
Inventory Sequence
1,065th
1,032nd
917th
261st
566th
775th
472nd
771st
838th
334th868th
889th703rd
95th
556th
873rd
490th
ISBN
490th
396th1,047th
613th
679th643rd
496th683rd771st
947th
98th283rd
498th460th
467th
1,033rd565th
1,089th
Jacobi Symbol
560th
327th
151st
480th
240th16th336th
623rd
146th459th
325th
130th
682nd
Kaprekar Numbers
311th1,087th970th270th610th
454th
314th262nd
313th
288th204th616th
251st
327th591st
639th253rd
428th
413th272nd
533rd
228th
Kolakoski Constant
134th
254th375th
217th
270th
214th221st
150th
236th
277th728th
324th
224th
405th
576th
190th
Kolakoski Sequence
450th
648th
599th926th948th
211th
128th
517th620th
955th
765th
612th
498th742nd
1st814th
755th
161st
589th154th
973rd
571st
Leap Years
1,422nd
930th
515th1,502nd3,123rd
2,038th
884th983rd
662nd
1,446th
1st
1,283rd1,055th478th1,204th
167th1,104th
1,208th
1,954th1,794th
2,538th
1,863rd
Levenshtein Distance
499th780th
674th
74th353rd
480th
244th
783rd
389th578th
785th555th
359th
662nd
346th
408th
Leyland Numbers
943rd
789th732nd
82nd
686th490th
163rd266th
382nd583rd66th
472nd
631st160th
813th210th
4th
804th402nd
709th
535th
ln 2
178th
1,530th
544th
156th
398th528th
458th
499th
387th
777th81st
490th
3rd
28th
523rd
820th
405th
Look and Say
462nd
186th216th
488th
70th432nd
144th561st
334th620th19th
751st
22nd101st
41st269th
404th
225th329th
902nd
514th
Lucky Numbers
806th482nd
122nd
586th
754th391st
649th
707th130th
579th421st
35th
466th710th
524th
Lucky Tickets
594th
242nd
479th409th
407th
308th
423rd
592nd
343rd120th
2nd160th
207th
610th
627th
Mahjong
104th
133rd
332nd
214th
91st
177th
Mandelbrot
110th
165th
91st
222nd
184th
💎
196th124th
340th117th
202nd
127th
162nd
173rd
Maze
150th
314th
257th110th164th
51st
263rd95th
86th106th
157th
308th
278th
88th60th
348th234th
295th
32nd
91st
131st
186th
Medal Tally
144th
399th
225th
396th
385th
62nd
281st
Minesweeper
186th
177th
244th
144th
146th
158th
1st
140th76th
256th
262nd
Morse Decoder
204th427th
229th
226th
💎
395th
216th276th
386th
227th
345th
Morse Encoder
269th
270th383rd
198th
361st
243rd
28th
441st
279th260th
520th
295th134th
478th
131st
Multitap Input
237th
186th202nd
123rd
145th87th
75th
130th
💎
58th196th
51st
52nd
208th
117th
136th
Musical Chords
251st176th
211th
96th
223rd
344th
195th136th
188th
192nd
N Queens
203rd
441st480th
236th
66th
150th
305th
18th
474th
278th178th
429th
169th
566th
Niven Numbers
1,074th
1,410th
1,360th1,280th2,398th1,305th388th
293rd877th
785th1,244th
1,331st994th1,800th
2,130th642nd77th480th
1,742nd660th
1,251st
253rd
2,050th408th
2,382nd
2,189th
Niven Numbers (Long)
1,531st
1,366th
1,240th938th1,383rd
693rd
152nd1,503rd
1,007th888th
1,073rd1,219th1,079th
1,284th1,142nd313th287th
808th425th
1,582nd
206th
73rd1,460th
1,225th
1,423rd
Number Spiral
266th892nd448th507th419th
291st
240th253rd
157th
152nd467th33rd
250th
357th297th
306th396th
1,692nd
264th538th
553rd422nd
488th
181st
Odious Numbers
724th
709th1,365th1,300th774th1,049th
241st1,292nd
876th743rd
1,150th902nd39th
1,621st535th387th2,155th2,356th1st1,308th
853rd
48th
1,716th1,090th2,591st
2,402nd
2,043rd
Odious Numbers (Long)
620th
622nd
498th1,062nd602nd
662nd
212th634th
698th713th
715th834th37th
1,407th394th242nd591st
1st391st
701st
46th
992nd685th
1,462nd
710th
Ordinal Numbers
1,397th
753rd563rd
1,050th
962nd
435th
985th
779th
191st1,175th
1,379th935th
386th
1,151st736th
385th2nd
PalindromemordnilaP
418th668th
60th
377th
643rd
287th
56th
600th
352nd255th
303rd104th
77th
576th326th
461st
Pangram Grep
694th
2,167th
1,348th1,206th
198th
171st490th
581st498th
745th921st296th
1,354th
998th471st
96th248th
1,413th
41st
1,961st
350th453rd
1,158th1,247th
Partition Numbers
255th
303rd
418th
387th98th473rd
103rd
416th299th
389th179th
206th337th153rd342nd
49th375th
539th396th
44th
34th443rd
697th
453rd
Pascal’s Triangle
850th
1,524th
1,017th1,107th
507th
889th
1,157th1,083rd
1,112th1,704th684th
1,691st
897th236th
1st1,591st
752nd
97th
1,378th1,617th
1,981st
1,618th
Pernicious Numbers
1,764th
541st
562nd1,663rd1,323rd1,081st338th
251st830th
1,272nd1,027th
1,165th705th1st
1,415th480th177th1,253rd
556th742nd
1,135th
42nd
948th436th2,241st
2,321st
1,267th
Pernicious Numbers (Long)
997th
1,045th584th
322nd
330th597th
412th679th
473rd822nd263rd
928th499th848th649th
407th561st
558th
103rd
555th361st
1,018th
487th
Poker
350th
149th
6th
306th297th
134th
Polyominoes
101st
353rd
395th
417th
244th
402nd324th
269th
99th333rd
311th361st
405th
373rd319th266th224th
210th
813th
334th401st
387th
376th107th
Prime Numbers
3,640th1,256th974th
1,175th
1,293rd2,215th1,461st991st1,642nd
1,908th1,511th
621st931st
987th1,125th1,483rd
567th1,448th776th544th
1st1,741st
1,301st
451st
1,518th773rd
1,802nd
2,697th
Prime Numbers (Long)
2,525th1,195th882nd
934th
811th1,480th880th
618th
503rd707th
1,324th876th
993rd822nd1,310th1,251st
683rd1,017th394th516th
1st577th
1,189th
230th
337th457th
1,865th
1,093rd
Proximity Grid
348th
192nd
317th212th
300th
138th
💎
265th236th
242nd
172nd
299th
QR Decoder
313th
196th
130th
💎
253rd236th
168th
Quine
1,602nd
282nd
4,529th2,636th4,590th2,005th2,925th
2,928th
3,072nd2,306th
2,231st2,292nd
2,633rd1,654th154th2,065th
2,630th1,614th251st1,730th
1st2,007th
3,258th
774th
486th1,456th
1,849th5,239th
5,348th
2,547th
Recamán
1,248th
762nd1,177th
167th
652nd
772nd
1,286th
683rd862nd
924th594th
70th
615th977th
1,297th
1,115th
Repeating Decimals
64th
40th
77th
290th
216th
30th
131st
14th
208th
Reverse Polish Notation
987th
696th758th
309th
584th723rd
739th
1st
794th
176th543rd
1,125th212th
79th
821st744th
1,106th
Reversi
226th305th
16th
25th
170th
63rd56th
57th
47th
216th
Rijndael S-box
258th151st184th281st
397th215th
31st91st
268th
105th
146th
510th
203rd307th
309th
207th
517th170th
82nd
58th
Rock-paper-scissors-Spock-lizard
147th90th
244th
58th104th
98th
129th
💎
351st
240th113th
70th
193rd
463rd443rd
432nd
392nd
Roman to Arabic
923rd
1,287th
1,094th665th
636th
807th
884th1,284th
1,236th
330th1,081st
532nd2nd1,376th
854th
ROT13
925th
771st
195th
807th
604th
616th
789th
1,001st
810th
11th
114th643rd
656th
Rule 110
531st492nd
117th
197th406th
495th
225th
641st
359th248th
491st
80th
222nd
259th
462nd
Scrambled Sort
416th
66th
190th435th
379th
213th
💎
296th
52nd251st
28th
357th
Set
265th
53rd
173rd88th
13th
195th365th
253rd220th
14th
398th180th
Seven Segment
503rd
398th750th
245th
349th496th
228th
460th
163rd590th
412th
187th
773rd321st
512th
403rd
SI Units
142nd
223rd67th
177th
Sierpiński Triangle
1,045th
843rd756th
272nd
518th471st
632nd
565th
4th1,007th
785th
949th267th
551st744th
156th
647th640th
914th
925th
Smith Numbers
200th
421st
439th549th842nd
209th
146th402nd
207th387th721st
503rd
156th361st
894th118th
164th
386th392nd
1,062nd
314th
Spelling Numbers
334th88th
1st439th
326th
346th
162nd375th
846th
415th
Star Wars GPT
75th
174th98th
168th
260th
314th
188th232nd
56th
71st
170th
Star Wars Opening Crawl
205th
102nd
172nd
196th
176th138th
92nd
93rd
352nd
96th
Sudoku
276th
199th
271st
109th
54th
190th
357th
Sudoku (Fill-in)
397th
112th
23rd
76th
285th
82nd54th
238th
198th
Ten-pin Bowling
367th
194th
💎
284th546th
366th
632nd
185th
Tic-tac-toe
310th122nd
208th
71st157th
123rd
188th
288th
365th
75th62nd
94th
86th
158th382nd
Time Distance
272nd
49th
384th
258th
220th329th
288th
43rd
657th
102nd
Tongue-twisters
1,704th
736th
159th149th
147th
621st1,173rd
1,370th81st
1,175th
16th
166th
17th438th
394th936th
117th
960th520th
318th
162nd
Topological Sort
273rd
65th
225th
155th
47th
268th
341st
127th
Tower of Hanoi
895th
359th
347th632nd690th1,246th289th1,285th542nd431st
485th262nd
1,276th
755th681st1st522nd
440th253rd
1,007th673rd
1,287th421st1,035th819th1,387th209th
1,301st
215th
698th
Transpose Sentence
480th
604th
611th440th195th
259th
110th342nd
317th
254th252nd1st
598th
473rd98th
33rd219th
78th
355th159th
643rd
336th
Trinomial Triangle
374th
173rd
344th
228th46th
1st195th
311th
386th
United States
618th465th
442nd
138th
183rd
194th106th
132nd
1,225th
413th
399th
636th
Vampire Numbers
286th460th
101st
316th
214th
240th
199th
519th
249th238th
398th325th
225th
112th
439th
830th
693rd
Van Eck Sequence
822nd
736th
1,021st949th
169th
491st656th
907th
687th
259th
915th
753rd137th
644th541st
45th
689th763rd
883rd
498th
Zeckendorf Representation
375th
382nd
429th504th647th
131st
391st361st
153rd
477th
59th333rd
258th
24th
627th
184th
251st
Zodiac Signs
188th
327th
291st
28th
79th138th
174th
2nd
155th139th
171st
8th
369th168th
γ
333rd
297th
559th314th509th
1,184th
629th
693rd
280th
627th1st
488th
547th
553rd
446th
λ
768th
295th230th732nd188th936th552nd
136th
158th511th261st
354th
241st800th567th844th297th
710th
176th
707th654th
679th
290th
π
68th
537th738th
142nd
662nd397th
448th
770th
575th
357th771st7th
782nd
163rd
83rd
562nd877th
1,334th
1,455th
466th
τ
99th
458th692nd
119th
623rd371st
380th
663rd
512th
347th672nd15th
659th
129th
61st
598th
994th
406th
φ
306th
1,713th
643rd806th
448th
513th703rd
674th870th
480th927th681st
567th874th69th
800th
46th
199th
794th
1,209th
498th
√2
291st
1,888th
1,043rd759th
213th
578th665th
1,005th
805th365th825th
466th966th1,077th145th
299th
115th
4th
667th
1,377th
530th
𝑒
274th
975th
1,163rd942nd
217th
683rd585th
1,060th
805th
878th
1,149th
492nd1,059th121st
969th
248th
20th2,340th
575th932nd
1,392nd
550th