12 Days of Christmas
256th
287th1,769th
214th
1,447th
343rd
151st238th
1,035th
174th
1,897th
512th
319th
24 Game
229th102nd
121st
250th
148th
110th
120th
116th
260th
323rd
339th
99 Bottles of Beer
929th
520th1,047th
361st
511th
200th
517th
180th572nd
144th
296th
1,938th762nd
369th
836th
Abundant Numbers
1,032nd
625th2,132nd854th833rd
377th
375th1,060th1,560th
1,800th
395th1,145th
2,770th664th
512th
1,891st621st
2,105th
1,752nd
Abundant Numbers (Long)
832nd
938th538th
443rd
488th
587th620th1,388th
194th
372nd938th
1,755th424th
131st
528th337th
1,093rd
Arabic to Roman
434th130th
587th14th
799th
363rd846th
1,310th601st
529th2nd
88th259th
Arithmetic Numbers
351st
346th586th
135th
429th
295th236th
808th
280th1,185th
1,133rd200th
75th
534th636th
530th
Arrows
380th513th
229th
437th
217th
306th412th
389th
180th
594th323rd
682nd
Ascending Primes
399th292nd
457th
481st
147th505th553rd
421st
396th159th
243rd412th
419th
303rd413th
649th
ASCII Table
527th
456th715th
561st
249th
504th
991st
340th
310th419th
1,347th169th
494th
805th411th
549th
742nd
Billiards
197th49th
202nd
79th
77th116th136th
134th
150th110th
94th
122nd
200th
156th52nd
104th
brainfuck
258th
511th
542nd
141st235th
96th
441st
826th
Card Number Validation
365th
207th442nd
163rd
129th
188th252nd482nd
377th
97th368th
495th103rd
79th
286th354th
234th
Catalan Numbers
448th843rd
355th
253rd
469th765th645th
116th1,220th
540th
32nd
95th1,128th
1,119th
458th
Catalan’s Constant
484th
450th
518th2nd
477th
Christmas Trees
2,181st
986th
959th949th
611th
340th
902nd
412th
451st
358th252nd
1,742nd300th
433rd
775th295th
914th
765th
Collatz
1,149th
1,148th1,041st
977th
943rd
654th723rd961st
1,611th
354th183rd
985th773rd
134th
1,045th812th
1,625th
606th
CSS Colors
470th429th
724th
548th
219th
407th
421st322nd
541st
2nd
359th
546th
627th
Cubes
378th
345th
169th
506th
175th
261st311th
210th
720th
886th
Day of Week
722nd458th
204th
392nd
568th307th
593rd
728th269th
939th366th
54th
598th584th
531st
DFA Simulator
126th264th
48th
87th
152nd
187th
80th
107th53rd
85th
40th
296th182nd
Diamonds
732nd
521st329th
458th
259th
193rd
310th
404th
414th501st
611th326th
389th
914th424th
197th
560th
Divisors
4,338th
1,750th
3,838th2,654th
2,573rd
361st
1,576th1,113th853rd
934th
1,722nd2,650th
4,077th795th
218th
900th278th
1,848th
1,127th
Emirp Numbers
1,447th
777th554th219th500th
658th
339th583rd793rd
856th1,493rd601st505th
1,394th717th
380th
632nd543rd
1,131st
1,676th
Emirp Numbers (Long)
710th466th
446th
487th
217th425th473rd
207th
530th218th
297th
373rd
302nd469th
320th
Emojify
314th418th
388th
373rd
226th
265th414th
640th
368th
370th
812th
Evil Numbers
751st
1,561st1,577th645th1,125th
327th
875th1,024th1,563rd
2,127th
415th2,420th2,551st1,723rd1,171st
2,369th
40th
1,351st1,160th2,427th2,271st
1,587th
Evil Numbers (Long)
691st
1,107th726th
678th
224th
620th795th963rd
1,224th
349th603rd
1,028th434th
101st
735th622nd
1,367th
519th
Factorial Factorisation
388th
207th246th
296th
239th
159th
204th
176th362nd
327th
271st
498th328th
465th
Farey Sequence
424th
565th
668th
282nd
1st
631st
359th278th
793rd594th
379th
404th244th
333rd
Fibonacci
5,686th3,786th5,611th6,321st2,190th8,195th2,074th1,882nd1,757th3,058th5,533rd4,654th3,800th8,176th334th1,782nd3,005th4,347th7,891st7,921st6,245th6,152nd2,686th880th1st5,025th7,571st4,133rd714th191st2,298th5,102nd1,800th2,351st6,953rd2,365th7,589th5,684th7,529th7,482nd7,199th1,081st6,561st4,414th8,119th2,265th808th7,980th2,275th3,335th7,084th4,794th7,859th5,597th3,050th
Fizz Buzz
8,431st
2,436th
3,002nd6,397th
1,832nd
5,120th
2,831st5,933rd5,227th
7,162nd800th988th5,287th
4,134th1,933rd
886th
6,131st3,212th
4,520th
7,224th
5,802nd
Foo Fizz Buzz Bar
2,007th
389th
261st404th1,368th
152nd
219th
594th1,571st747th
1,613th519th359th780th
662nd394th
19th
1,199th870th
465th
1,656th
993rd
Forsyth–Edwards Notation
349th331st
180th
242nd
213th
355th
393rd162nd
358th258th
168th
539th436th
424th
Fractions
864th
1,160th386th
124th
230th
479th887th409th
472nd
642nd651st
865th693rd
83rd
9th413th
1,039th
901st
Game of Life
369th408th
270th
415th
272nd
235th383rd
281st
225th
497th
493rd
Gijswijt’s Sequence
385th293rd
246th
291st395th
373rd
213th
577th
Happy Numbers
885th
1,103rd533rd234th537th
822nd
329th378th643rd
836th
910th518th
970th662nd
385th
1,051st698th
987th
918th
Happy Numbers (Long)
996th
668th964th
377th
474th
481st240th735th
756th
499th180th
745th359th
249th
760th448th
622nd
837th
Hexdump
372nd
246th257th
67th
229th
133rd
553rd
153rd
135th306th
193rd
48th
458th
317th
Intersection
456th646th
254th
407th
337th
566th
293rd478th
986th564th
147th
850th130th
141st
720th
Inventory Sequence
817th
798th
724th
315th
460th
362nd
671st
662nd
654th696th
789th582nd
131st
584th
702nd
ISBN
347th876th
498th
584th
407th591st657th
783rd
188th601st
929th263rd
412th
880th495th
938th
680th
Jacobi Symbol
467th
270th
161st
402nd
257th18th582nd
431st
124th382nd
269th
141st
563rd
411th
Kaprekar Numbers
245th
642nd208th406th
251st214th
247th174th
97th
248th423rd
453rd200th
396th
268th230th
387th
195th
Kolakoski Constant
222nd319th
192nd
246th
156th
445th
240th617th
307th
160th
332nd
486th
135th
Kolakoski Sequence
605th
813th841st
366th
127th
858th
796th
549th
438th663rd
1,109th759th
224th
524th237th
867th
435th
Leap Years
879th
1,452nd2,869th
2,247th
1,535th
1,669th
2,239th
1,027th684th247th1,342nd
2,366th1,250th
1,453rd
1,801st1,044th
2,178th
1,318th
Levenshtein Distance
442nd553rd
645th
84th
454th
540th
345th593rd
742nd495th
283rd
625th
276th
301st
451st
Leyland Numbers
683rd
687th604th
69th
547th
279th504th87th
409th
551st128th
970th206th
4th
699th264th
619th
408th
ln 2
1,240th
441st
119th
384th
427th
624th62nd
397th
3rd
26th
608th
659th
Look and Say
158th236th
404th
62nd
288th517th629th
628th
19th110th
1,167th176th
334th
198th221st
779th
837th
Lucky Numbers
673rd323rd
134th
490th
635th363rd
547th
593rd250th
577th285th
28th
368th601st
434th
Lucky Tickets
486th
315th
385th
244th
478th
276th527th
446th
225th
501st
525th
395th
Mahjong
110th
133rd
149th
108th
128th
Maze
396th
254th
197th
319th
165th
328th
304th
Medal Tally
226th
438th
323rd
189th
273rd
Morse Decoder
177th274th
200th
126th
339th
190th239th
330th
201st
361st
Morse Encoder
233rd303rd
243rd
290th
138th
313th
239th234th
371st
213th
413th
146th
Musical Chords
187th175th
192nd
91st
186th
158th274th
296th
174th
N Queens
315th301st
202nd
221st
310th
205th357th
135th
186th
390th
Niven Numbers
1,158th
1,111th2,033rd1,010th312th
234th
1,173rd812th1,490th
1,774th
54th486th
1,795th773rd
184th
1,699th333rd
2,106th
1,540th
Niven Numbers (Long)
1,112th
789th945th
695th
120th
872nd1,034th1,150th
1,056th
248th724th
983rd354th
299th
60th1,245th
991st
1,226th
Number Spiral
225th
423rd352nd
322nd
203rd346th
135th400th
186th
300th85th
335th
1,388th
271st
371st284th
502nd
128th
Odious Numbers
531st
1,165th1,116th564th887th
213th
731st871st1,006th
1,394th
346th1,879th2,063rd1,045th1,158th
38th
1,473rd923rd2,318th2,095th
1,460th
Odious Numbers (Long)
467th
870th526th
559th
175th
585th680th897th
1,159th
203rd777th
768th395th
36th
813th610th
1,289th
502nd
Ordinal Numbers
1,264th
691st677th
197th
968th
399th
1,018th
701st
198th613th
1,432nd862nd
442nd
1,059th678th
2nd
1,049th
PalindromemordnilaP
330th495th
52nd
297th
231st
29th
474th
271st182nd
80th
60th
451st223rd
418th
Pangram Grep
1,826th
1,160th999th
390th
146th1,233rd
1,517th
600th807th1,382nd
1,192nd
875th688th
664th270th
1,004th
175th
1,668th
296th397th
1,030th1,093rd
778th
Partition Numbers
175th
275th
281st57th268th
67th
278th264th
349th
139th240th301st
32nd
272nd
22nd
24th288th
405th
291st
Pascal’s Triangle
1,300th
866th957th
441st
770th
961st1,460th575th
1,449th
754th201st
76th1,375th
1,293rd
80th
1,169th1,409th
1,703rd
1,380th
Pernicious Numbers
682nd
1,364th1,141st817th280th
207th
930th549th294th
1,146th573rd276th1,120th
974th667th
33rd
756th378th1,863rd1,927th
917th
Pernicious Numbers (Long)
813th
851st459th
336th
242nd
364th656th190th
762nd325th685th616th
434th431st
193rd
420th281st
928th
357th
Poker
302nd
169th
265th256th
163rd
Polyominoes
68th
281st
264th
203rd
320th292nd167th86th
89th225th
189th260th
304th
179th229th73rd174th
200th
596th
243rd294th
287th
284th74th
Prime Numbers
3,297th
975th
1,973rd1,330th618th1,412th
1,679th
1,058th947th1,262nd
500th
660th474th
1st1,551st
355th
1,292nd676th
1,566th
2,297th
Prime Numbers (Long)
2,091st
843rd
1,055th745th
1,361st
526th
1,084th647th1,075th
536th
868th490th
1st548th
1,132nd
274th374th
1,041st
808th
Proximity Grid
282nd
165th
250th
175th
222nd289th
201st
143rd
246th
QR Decoder
253rd
172nd
116th
208th213th
154th
Quine
4,093rd2,423rd4,153rd1,820th2,695th
2,824th
2,777th2,560th
2,393rd1,942nd144th
2,390th1,463rd2,106th1,578th
1st1,871st
707th
432nd1,336th
1,644th
4,911th
1,851st
Recamán
1,082nd
665th1,025th
152nd
590th
673rd
1,120th
599th721st
848th545th
64th
546th830th
1,135th
Repeating Decimals
166th
36th
68th
156th
131st
13th
178th
Reverse Polish Notation
841st
590th688th
437th
507th
646th
1st
676th
162nd494th
953rd214th
189th
707th635th
940th
Reversi
177th248th
122nd
44th
170th
48th87th
40th
94th
175th
Rijndael S-box
439th318th
228th
319th151st
458th
91st
237th
158th316th
174th
380th
75th
486th
Rock-paper-scissors-Spock-lizard
134th102nd
449th
59th
124th
708th
323rd
221st107th
61st
409th
419th386th
393rd
Roman to Arabic
1,071st
919th530th
540th
733rd1,065th
1,018th
909th
447th2nd1,126th
804th
ROT13
550th
485th
140th
490th
188th
458th
566th
31st
56th412th
465th
Rule 110
453rd360th
483rd
640th
571st
599th235th
445th
663rd
285th
491st
Set
113th
36th
85th
165th158th
14th
114th147th
87th
Seven Segment
507th
352nd616th
254th
301st
844th
416th
142nd529th
300th
210th
688th279th
487th
SI Units
32nd
167th138th
135th
Sierpiński Triangle
946th
739th695th
319th
574th972nd
514th
322nd
694th
874th300th
724th674th
213th
599th519th
817th
782nd
Smith Numbers
356th
456th470th
258th
121st
156th337th
351st
126th336th
728th241st
198th
329th328th
740th
202nd
Spelling Numbers
309th229th
78th1st397th
314th
334th
154th333rd
384th
Star Wars Opening Crawl
176th
174th
138th
295th
151st115th
169th
301st
79th
157th
Sudoku
233rd
230th
268th
219th
221st
495th
Sudoku (Fill-in)
318th
233rd
Ten-pin Bowling
287th
216th
219th396th
274th
217th
Tic-tac-toe
230th106th
178th
143rd
278th
268th
69th205th
83rd
89th
118th293rd
Time Distance
239th
214th
328th
193rd288th
205th
507th
185th
Tongue-twisters
1,450th
121st
130th544th
107th
491st
1,009th
139th
18th243rd
319th778th
84th
768th419th
254th
137th
Transpose Sentence
482nd
330th327th
194th
94th
212th218th1st
421st
364th68th
55th158th
54th
202nd120th
495th
244th
United States
537th535th
478th
335th
466th534th
472nd
538th
580th
Vampire Numbers
245th309th
89th
270th
141st
353rd
264th
210th201st
305th
196th
101st
369th
709th
619th
Van Eck Sequence
607th
843rd726th
309th
396th
770th
188th
710th
634th124th
536th476th
222nd
570th636th
749th
341st
Zeckendorf Representation
339th
406th446th
114th
325th
340th
54th290th
212th
46th
474th
207th
189th
Zodiac Signs
412th
458th
196th
352nd421st
447th
γ
558th
468th262nd
985th
234th
540th1st
460th
464th
405th
λ
647th
240th297th622nd237th1,498th352nd
209th451st
301st
221st678th497th727th312th
603rd
227th
589th546th
565th
300th
π
457th644th
126th
561st
696th
307th684th7th
743rd
134th
67th
601st733rd
1,167th
436th
τ
397th593rd
130th
534th
587th
618th
293rd578th7th
615th
101st
52nd
580th
868th
423rd
φ
1,533rd
561st715th
346th
411th
426th810th801st
485th705th67th
702nd
36th
170th
683rd
1,055th
537th
√2
1,710th
917th663rd
167th
456th904th
843rd295th
362nd838th949th111th
265th
83rd
4th
585th
1,209th
471st
𝑒
831st
996th807th
166th
901st
740th
986th
952nd918th17th
845th
191st
59th2,079th
767th681st
1,190th
431st