12 Days of Christmas
1,285th
302nd2,027th
253rd
1,602nd957th
1,394th
439th
349th
166th206th
1,122nd
101st
2,067th
441st
321st
24 Game
352nd134th
147th
386th
182nd
208th
60th
149th
177th35th
139th
393rd
474th
482nd
99 Bottles of Beer
1,022nd
554th344th
167th
539th682nd
112th
180th
92nd
547th
200th193rd
150th
114th
1,725th819th
348th
612th
Abundant Numbers
1,093rd
652nd2,265th895th538th
424th1,156th
342nd
408th1,112th582nd
1,913th
458th682nd
2,756th694th
492nd
2,036th674th
2,212th
1,775th
Abundant Numbers (Long)
968th
1,071st594th
212th
571st588th
564th
661st681st884th
235th
444th761st
2,013th425th
165th
598th385th
1,301st
814th
Arabic to Roman
512th138th
672nd19th
892nd1,393rd
430th947th
1,500th661st
608th2nd
101st
306th
Arithmetic Numbers
398th
420th299th
100th
597th605th
276th
343rd285th1,388th
955th
324th1,126th
1,151st110th
43rd
669th744th
642nd
480th
Arrows
421st487th
60th
307th363rd
178th
263rd
434th
326th156th
258th
36th
477th348th
560th
Ascending Primes
475th416th
441st
566th381st
204th
171st616th264th
500th
467th88th
283rd486th
394th
358th487th
807th
299th
ASCII Table
602nd
516th799th
388th
392nd
525th
255th
389th
348th403rd
1,529th188th
309th
905th428th
579th
680th
Billiards
298th53rd
61st
128th
85th
91st165th💎
188th
211th96th
122nd
210th
63rd
229th144th
114th
brainfuck
837th
276th
180th
572nd
💎
148th157th
92nd
104th
877th
Card Number Validation
448th
232nd649th
182nd
150th
458th
219th267th365th
464th
109th412th
573rd119th
85th
330th421st
273rd
Catalan Numbers
1,100th
524th976th
408th
299th635th
602nd
535th890th453rd
137th1,415th
620th
30th
113th1,329th
1,357th
571st
Catalan’s Constant
898th
279th
493rd
474th
586th3rd
485th
260th
543rd
Christmas Trees
2,333rd
1,081st
1,020th1,111th
488th
360th922nd
211th
447th
63rd
559th
381st225th
1,116th304th
375th
838th307th
893rd
837th
Collatz
1,105th
1,294th621st
1,074th
1,066th691st
687th
624th1,008th1,080th
1,812th
378th214th
1,100th993rd
172nd
1,162nd887th
1,147th
732nd
CSS Colors
515th472nd
527th
607th
319th
244th
429th
459th356th
567th
1st
393rd
605th
692nd
Cubes
412th
365th
89th
555th
184th
58th
284th324th
134th
790th
971st
Day of Week
867th638th
226th
470th720th
632nd
670th352nd572nd
690th
307th371st
1,133rd619th
1st61st
708th748th
450th
DFA Simulator
166th155th
56th
103rd129th
172nd
💎
178th
124th68th
61st
26th
354th214th
256th
Diamonds
799th
569th156th
496th
268th
245th
196th
112th
437th
452nd350th
589th337th
421st
1,002nd461st
131st
510th
Divisors
4,645th
1,885th
4,042nd2,813th
703rd
405th2,473rd
1,233rd
1,706th1,196th137th2,130th
2,714th982nd
1,928th2,359th
246th785th
35th
986th317th
1,680th
1,385th
Emirp Numbers
1,604th
888th604th265th249th
721st
238th
362nd637th881st981st
950th2,143rd657th553rd
1,559th783rd
285th
691st592nd
1,270th
1,850th
Emirp Numbers (Long)
821st655th
266th
557th
160th
413th501st316th
215th
613th84th
395th
210th
351st568th
183rd
Emojify
355th479th
206th
419th
249th
298th468th
695th
178th
427th
896th
Evil Numbers
955th
1,703rd1,659th851st1,208th
366th1,471st
840th
899th1,142nd36th
2,312th831st492nd2,191st2,784th1,004th1,278th
2,566th
45th
1,506th1,287th2,582nd
2,452nd
2,384th
Evil Numbers (Long)
570th
497th1,285th813th
781st
247th734th
644th
716th892nd32nd
1,416th597th440th482nd
625th483rd
115th
836th628th
1,102nd
658th
Factorial Factorisation
462nd
230th453rd
312th
259th
💎
226th
194th425th
381st
274th
612th375th
553rd
Farey Sequence
488th
148th
379th378th
282nd
322nd
1st
732nd
414th330th
876th260th
62nd
463rd226th
366th
338th
Fibonacci
6,101st3,061st6,008th6,802nd2,661st8,832nd1,867th866th841st3,290th5,925th5,128th3,442nd9,009th425th1,835th2,177th4,646th2,647th8,694th8,920th6,691st6,581st2,613th986th1st
5,394th8,159th4,387th830th224th2,473rd5,478th1st2,385th7,583rd2,481st8,339th6,082nd8,284th8,218th5,327th55th7,106th4,731st8,560th2,464th709th8,786th
2,442nd3,585th7,730th5,114th8,655th5,275th4,674th
Fizz Buzz
8,860th
2,239th
2,076th2,810th5,703rd
1,672nd
3,746th3,274th
2,117th
2,119th5,943rd4,832nd
7,357th2,152nd23rd703rd
4,037th1,654th
783rd
2,671st3,011th
4,444th
7,489th
6,448th
Foo Fizz Buzz Bar
2,223rd
525th
247th443rd492nd
182nd
244th1,820th
494th
610th1,695th20th
1,749th540th401st205th
692nd430th
24th
1,256th929th
479th
1,803rd
1,250th
Forsyth–Edwards Notation
397th503rd
189th
264th297th
255th
💎
406th
445th182nd
361st282nd
160th
626th486th
433rd
Fractions
961st
1,301st418th
146th
240th660th
520th
434th971st451st
513th
710th566th
882nd286th
94th
10th467th
1,151st
1,065th
Game of Life
429th456th
194th
480th
💎
330th
249th226th
347th
152nd
575th
559th
Gijswijt’s Sequence
445th53rd
191st
343rd
167th
139th
442nd
270th
309th352nd
322nd
168th
524th
351st
390th
Happy Numbers
999th
1,243rd596th291st397th
933rd1,143rd
270th
361st404th665th
943rd
1,027th586th
1,084th738th
432nd
1,186th781st
1,105th
1,174th
Happy Numbers (Long)
1,128th
753rd1,134th
209th
522nd559th
684th
503rd260th737th
847th
572nd128th
849th401st
48th
855th500th
675th
964th
Hexdump
406th
281st513th
42nd
257th373rd
277th
155th
207th
200th
157th237th
222nd
18th
521st
353rd
Hilbert Curve
60th
5th
50th
129th
Intersection
505th853rd
284th
447th331st
404th
268th
300th
632nd
323rd535th
1,124th608th
170th
961st139th
164th
868th
Inventory Sequence
1,008th
980th
875th
241st
525th
664th
442nd
728th
778th
312th827th
887th668th
91st
517th
831st
ISBN
382nd985th
557th
655th629th
474th668th744th
917th
205th229th
1,053rd257th
453rd
998th562nd
1,047th
452nd
Jacobi Symbol
516th
300th
135th
446th
229th17th520th
472nd
127th426th
299th
116th
630th
461st
Kaprekar Numbers
268th877th801st245th495th
374th
276th227th
233rd
234th185th529th
141st
282nd508th
545th226th
351st
307th249th
466th
201st
Kolakoski Constant
232nd358th
204th
261st
182nd
148th
215th
254th694th
304th
208th
372nd
545th
144th
Kolakoski Sequence
617th
890th904th
202nd
115th
543rd
924th
733rd
591st
473rd710th
1,236th786th
145th
561st179th
935th
478th
Leap Years
928th
1,496th2,945th
1,957th
860th951st
720th
1,406th
156th
1,245th1,011th284th1,193rd
2,465th1,106th
1,164th
1,877th1,727th
2,463rd
1,608th
Levenshtein Distance
495th735th
663rd
112th342nd
486th
228th
661st
375th583rd
833rd557th
349th
653rd
334th
400th
567th
Leyland Numbers
916th
775th712th
79th
691st604th
263rd
311th565th61st
458th
615th151st
1,005th210th
4th
777th448th
687th
479th
ln 2
1,408th
514th
146th
375th508th
443rd
470th
363rd
737th73rd
461st
3rd
28th
492nd
779th
329th
Look and Say
172nd206th
452nd
66th401st
520th
318th581st17th
709th
20th94th
39th281st
380th
210th203rd
843rd
950th
Lucky Numbers
773rd380th
101st
557th
725th363rd
625th
680th113th
658th334th
33rd
440th686th
494th
Lucky Tickets
569th
224th
455th394th
386th
277th
401st
558th
326th119th
2nd157th
190th
587th
606th
469th
Mahjong
95th
123rd
193rd
87th
160th
Mandelbrot
150th
81st
160th
168th
💎
183rd112th
345th99th
103rd
152nd
158th
Maze
293rd
99th151st
45th
87th
97th
152nd
278th
197th
73rd50th
367th208th
31st
84th
115th
156th
Medal Tally
129th
377th
208th
378th
368th
52nd
262nd
Minesweeper
171st
162nd
212th
121st
119th
141st
💎
118th76th
223rd
213th
112th
Morse Decoder
189th400th
214th
213th
💎
374th
198th232nd
366th
211th
327th
Morse Encoder
254th
257th365th
184th
345th
235th
26th
409th
264th249th
499th
266th125th
456th
130th
Musical Chords
227th151st
181st
89th
198th
310th
173rd116th
170th
164th
N Queens
407th443rd
220th
60th
132nd
262nd
16th
426th
257th168th
395th
161st
527th
Niven Numbers
1,332nd
1,237th2,311th1,261st368th
277th884th
1,252nd
1,322nd943rd1,708th
2,030th
63rd523rd
2,054th682nd
209th
1,944th394th
2,269th
2,389th
Niven Numbers (Long)
1,321st
940th1,113th
677th
144th1,452nd
889th
1,069th1,178th1,044th
1,235th
302nd277th
1,154th427th
198th
71st1,415th
1,195th
1,360th
Number Spiral
256th
472nd384th
271st
225th249th
143rd
147th438th36th
208th
332nd94th
372nd
1,532nd
246th
391st317th
456th
169th
Odious Numbers
681st
1,308th1,244th749th1,007th
233rd1,236th
734th
790th977th34th
1,560th503rd370th2,078th2,281st305th1,254th
43rd
1,651st1,045th2,526th
2,331st
2,095th
Odious Numbers (Long)
589th
1,021st583rd
635th
199th606th
666th
681st782nd32nd
1,350th375th231st569th
218th422nd
41st
951st659th
1,419th
633rd
Ordinal Numbers
1,363rd
743rd557th
131st
1,043rd
966th
433rd
967th
774th
221st597th
1,548th924th
339th
1,138th726th
384th2nd
1,070th
PalindromemordnilaP
396th618th
56th
366th
511th
265th
44th
601st
319th230th
518th108th
68th
534th309th
449th
Pangram Grep
2,052nd
1,278th1,150th
189th
165th467th
1,672nd490th
718th876th270th
1,317th
946th440th
93rd241st
1,342nd
38th
1,866th
334th422nd
1,113th1,188th
758th
Partition Numbers
230th
368th
362nd79th335th
83rd
366th260th
503rd161st
166th298th120th266th
39th313th
351st
35th
27th386th
600th
390th
Pascal’s Triangle
1,455th
973rd1,068th
486th
844th
1,049th
1,061st1,626th639th
1,620th
845th222nd
1st1,530th
1,444th
91st
1,306th1,548th
1,897th
1,473rd
Pernicious Numbers
496th
1,589th1,343rd1,036th324th
238th939th
992nd
1,061st652nd345th
1,350th756th341st1,199th
1,152nd747th
38th
913th417th2,110th
2,185th
1,299th
Pernicious Numbers (Long)
944th
991st541st
300th
303rd807th
668th
437th780th258th
881st609th803rd598th
374th524th
95th
509th337th
964th
435th
Poker
336th
140th
6th
300th290th
128th
Polyominoes
262nd
349th
315th
213th
354th375th
242nd
229th295th
276th321st
360th
239th284th238th197th
181st
718th
297th356th
340th
333rd83rd
Prime Numbers
3,512th
1,108th
2,110th1,398th918th1,555th
1,822nd1,445th
960th
957th1,061st1,392nd
547th
719th538th
1st1,656th
415th
1,448th718th
1,711th
2,795th
Prime Numbers (Long)
2,362nd
855th
1,215th808th
549th
474th661st
1,021st
890th753rd1,226th1,184th
632nd
364th548th
1st585th
212th
315th436th
772nd
985th
Proximity Grid
327th
183rd
288th214th
304th
137th
💎
255th225th
232nd
156th
279th
QR Decoder
296th
187th
119th
💎
245th230th
163rd
Quine
4,402nd2,553rd4,462nd1,932nd2,840th
2,841st
2,976th2,216th
2,236th
2,548th1,595th149th2,065th
2,545th1,554th2,249th1,667th
1st1,971st
740th
464th1,412th
1,784th5,067th
5,170th
1,995th
Recamán
1,190th
730th1,127th
166th
642nd
738th
1,224th
654th823rd
881st581st
68th
590th935th
1,233rd
Repeating Decimals
63rd
39th
75th
289th
207th
29th
145th
13th
199th
Reverse Polish Notation
947th
666th731st
314th
571st693rd
717th
1st
770th
161st528th
1,078th207th
77th
787th712th
1,064th
Reversi
208th288th
26th
19th
148th
60th53rd
54th
42nd
199th
Rijndael S-box
284th367th173rd251st
372nd172nd
61st108th
265th
107th
178th
288th
185th295th
189th
430th163rd
90th
68th
Rock-paper-scissors-Spock-lizard
140th109th
233rd
50th99th
100th
129th
💎
339th
229th103rd
66th
182nd
446th426th
415th
Roman to Arabic
1,215th
1,044th624th
613th
772nd
841st1,212th
1,173rd
1,034th
514th2nd1,286th
814th
ROT13
818th
684th
164th
722nd
367th
541st
703rd
837th
713th
9th
88th568th
582nd
629th
Rule 110
504th469th
108th
188th384th
476th
214th
633rd
342nd243rd
473rd
72nd
211th
245th
548th
Scrambled Sort
378th
57th
165th399th
354th
195th
💎
269th
46th229th
25th
325th
Set
259th
55th
147th92nd
11th
186th338th
307th216th
17th
309th177th
346th
Seven Segment
489th
391st734th
198th
334th539th
215th
461st
155th584th
332nd
165th
758th307th
507th
407th
SI Units
132nd
214th64th
168th
Sierpiński Triangle
1,006th
806th737th
260th
496th455th
394th
537th
4th973rd
756th
912th229th
700th724th
150th
624th530th
880th
848th
Smith Numbers
403rd
517th770th
196th
139th
198th369th678th
391st
150th314th
830th117th
154th
364th372nd
977th
232nd
Spelling Numbers
330th95th
61st1st428th
326th
355th
166th372nd
787th
410th
Star Wars GPT
70th
145th91st
216th
265th
156th191st
38th
52nd
148th
Star Wars Opening Crawl
199th
99th
172nd
189th
165th128th
87th
86th
339th
93rd
174th
Sudoku
261st
189th
257th
107th
56th
181st
326th
Sudoku (Fill-in)
380th
107th
24th
74th
275th
79th51st
231st
190th
Ten-pin Bowling
342nd
184th
💎
265th502nd
343rd
167th
Tic-tac-toe
286th110th
193rd
75th154th
118th
176th
265th
344th
79th65th
93rd
87th
56th354th
Time Distance
267th
47th
373rd
255th
212th325th
283rd
38th
582nd
108th
143rd
Tongue-twisters
1,633rd
703rd
154th145th
142nd
587th1,119th
74th
1,126th
16th
159th
17th417th
377th895th
112th
917th491st
303rd
162nd
Topological Sort
238th
89th
201st
139th
52nd
236th
291st
83rd
Tower of Hanoi
275th
258th482nd521st827th220th854th388th333rd
198th
869th
573rd524th1st404th
329th196th
519th
857th
740th
938th149th
865th
194th
543rd
Transpose Sentence
577th
399th188th
231st
103rd317th
328th
241st234th1st
594th
429th97th
31st201st
69th
247th151st
597th
301st
Trinomial Triangle
324th
298th
194th41st
1st166th
265th
333rd
United States
592nd454th
435th
129th
180th
189th102nd
94th
1,299th
401st
389th
613th
Vampire Numbers
281st445th
84th
305th
183rd
243rd
187th
311th
237th227th
315th
217th
106th
412th
805th
480th
Van Eck Sequence
686th
960th833rd
158th
454th
846th
642nd
236th
860th
694th143rd
597th509th
43rd
638th715th
836th
460th
Zeckendorf Representation
380th
463rd589th
123rd
368th
134th
382nd
59th305th
243rd
21st
548th
168th
239th
Zodiac Signs
328th
286th
27th
153rd
177th
2nd
148th134th
171st
7th
353rd190th
γ
316th
522nd292nd464th
1,109th
646th
265th
580th1st
454th
511th
515th
421st
λ
740th
255th217th706th178th910th391st
132nd
186th490th249th
336th
216th768th544th827th284th
679th
165th
675th621st
646th
276th
π
509th695th
136th
620th377th
725th
544th
337th726th7th
735th
147th
78th
531st821st
1,266th
373rd
τ
439th661st
140th
591st354th
634th
488th
325th645th15th
630th
112th
60th
569th
959th
323rd
φ
1,630th
625th791st
447th
498th687th
848th
470th900th660th
549th851st68th
779th
45th
194th
772nd
1,170th
415th
√2
1,806th
1,011th729th
197th
557th644th
893rd
776th348th793rd
445th929th1,046th134th
277th
104th
4th
641st
1,333rd
455th
𝑒
933rd
1,110th907th
203rd
654th556th
771st
840th
1,098th
471st1,013th18th
927th
234th
67th2,253rd
542nd890th
1,335th
441st