12 Days of Christmas
784th
743rd
235th
80th
284th1,465th
94th92nd
410th
336th
24 Game
197th
37th
155th
99 Bottles of Beer
154th
497th
1,280th1,241st
560th840th
774th
243rd754th478th
192nd274th
238th
1,562nd
888th
1,168th38th504th
385th49th1,978th
844th549th
323rd
Abundant Numbers
686th1,052nd
1,411th
1,194th
854th600th
312th1,142nd787th
392nd375th
48th
491st357th351st18th77th664th
827th709th
441st231st
464th1,677th1,565th
2,196th1,932nd
2,052nd2,232nd1,086th
Abundant Numbers (Long)
955th1,338th
551st
1,000th481st
294th1,340th68th453rd259th861st466th
724th587th
84th
394th372nd279th32nd3rd424th446th
610th769th
58th216th
695th409th1,139th845th
726th1,513th
328th1,090th574th
Arabic to Roman
797th
14th
815th
63rd
293rd468th730th
209th
807th
421st2nd
758th
88th
267th
552nd
Arithmetic Numbers
377th
397th229th
87th
256th273rd
695th295th210th
241st280th375th31st267th116th
259th
15th58th
534th438th
299th181st
493rd896th556th360th
Arrows
391st
537th
Ascending Primes
358th
379th
93rd18th163rd
639th
513th262nd
225th
ASCII Table
716th
352nd
421st
500th
408th280th
375th806th
32nd792nd353rd
600th274th
204th156th
750th
556th
1,109th
Billiards
223rd
222nd
brainfuck
651st
422nd
79th
986th
271st
191st53rd
276th
346th
Card Number Validation
405th50th
273rd
235th
423rd
251st82nd
294th
228th
466th221st
380th91st
304th
209th
Catalan Numbers
246th788th1,197th355th700th253rd553rd665th612th308th
469th591st
187th
172nd
752nd116th
162nd
630th
622nd
399th567th32nd
979th
95th
497th
506th
631st
458th
Catalanβs Constant
534th295th
169th
196th
221st
2nd
694th
239th
153rd362nd
331st
223rd
244th
Christmas Trees
537th
1,297th
947th
942nd472nd
391st453rd209th29th656th335th
290th1,621st217th
268th216th
281st681st
1,125th
280th1,038th
Collatz
397th1,917th
668th
1,149th98th
801st
1,183rd512th
646th
1,673rd926th
2,336th659th604th
1,393rd995th
333rd37th183rd726th985th773rd
829th897th323rd
257th274th
1,198th749th
975th
537th
419th1,293rd606th
CSS Colors
165th
236th
2nd
202nd
Cubes
160th
354th
295th
Day of Week
244th
846th
523rd
799th307th
232nd269th1,090th
371st
475th
414th1st
816th193rd
669th
354th
522nd
DFA Simulator
381st
Diamonds
495th608th39th736th
578th689th
273rd92nd
601st
652nd
Divisors
1,562nd2,136th807th1,380th
1,750th2,307th2,648th644th
846th2,822nd1,316th1,841st
2,461st2,821st
860th703rd2,357th
184th
1,155th1,220th1,292nd1,581st178th795th231st
2,457th1,017th2,017th2,142nd342nd
33rd263rd2,640th2,454th900th276th1,467th
2,002nd
1,169th4,178th2,445th2,392nd
Emirp Numbers
873rd
219th441st
1,039th
478th528th
549th
935th
676th505th981st537th660th
1,040th893rd
264th161st149th
713th
814th
186th
960th622nd
Emirp Numbers (Long)
548th
433rd
187th
573rd
366th290th203rd394th
816th
54th199th43rd
167th
206th
Emojify
136th
144th
128th231st
Evil Numbers
2,228th1,336th
1,557th
403rd539th774th1,181st1,328th645th1,125th467th1,044th1,059th542nd
1,348th
875th781st
1,162nd
156th
512th320th
2,359th1st1,617th
2,491st
2,352nd982nd1,042nd813th40th1,962nd2,190th
1,831st1,063rd492nd625th
2,109th1,749th
1,742nd2,839th2,088th1,761st
Evil Numbers (Long)
1,043rd1,052nd
748th
538th436th574th
411th1,970th588th310th788th545th329th
746th
904th532nd
785th
68th
425th88th
1,203rd1st780th
887th
935th1,279th644th303rd544th36th872nd1,388th
1,089th622nd421st
499th453rd
598th1,532nd1,131st630th
Factorial Factorisation
369th
306th240th
154th
96th
237th120th
228th
226th139th
107th
224th288th
56th27th
255th
216th
Farey Sequence
260th308th254th96th
175th85th119th362nd470th
75th444th173rd165th126th180th296th
213th282nd203rd
340th
398th189th28th
183rd
161st195th316th319th248th256th288th507th372nd6th136th
488th439th244th217th
267th145th187th
141st233rd242nd361st
Fibonacci
4,462nd1,989th3,112th2,795th1,692nd
652nd378th552nd3,058th3,476th4,654th3,230th2,269th2,569th1,782nd1,045th2,548th2,648th
1,013th2,384th2,686th691st2,841st348th
6,035th2,858th601st191st1,820th415th5,175th2,351st452nd2,365th2,013th2,538th3,007th2,545th1,660th1,675th52nd3,368th1,769th1,875th966th808th1,974th7,244th2,479th1,905th1,960th5,357th841st6,952nd2,779th3,050th
Fizz Buzz
4,853rd2,337th593rd7,773rd1,273rd9,827th1,429th1,767th4,661st5,455th5,744th10,485th1,832nd1,256th5,120th1,923rd1,916th8,687th7,226th
2,271st9,547th2,831st5,305th5,227th1,361st6,765th7,715th
619th18th814th1,684th4,495th4,141st1,733rd4,696th4,617th6,941st4,298th462nd389th10,282nd574th1,283rd1,670th5,587th2,874th2,120th1,937th10,801st8,009th788th1,343rd
2,317th7,912th1,344th7,402nd
Foo Fizz Buzz Bar
314th781st
865th
896th
227th
982nd
476th172nd257th802nd
1,782nd113th332nd
19th185th
909th
831st
968th
ForsythβEdwards Notation
280th
504th
446th
238th
174th317th386th93rd314th
352nd363rd
168th76th
431st
278th
389th283rd
Fractions
224th1,231st
988th
157th618th233rd692nd344th
543rd418th
824th
1,155th
726th840th
219th103rd
281st716th268th429th
485th139th
83rd300th
664th9th631st510th
674th
728th816th
Game of Life
312th
547th
197th
Gijswijtβs Sequence
219th242nd
116th
404th
30th
211th129th
309th133rd174th
263rd331st179th136th
225th
352nd338th
10th101st
368th
333rd
126th95th
142nd160th84th
Happy Numbers
164th488th
860th842nd
234th718th1,047th938th
721st
624th
329th638th363rd539th
357th596th518th802nd
662nd945th
897th983rd1,000th
385th187th
1,051st727th826th933rd
1,101st
279th874th
Happy Numbers (Long)
80th543rd576th
270th
342nd
993rd
385th325th555th460th123rd
438th219th109th101st
359th547th
782nd301st632nd
195th158th
367th938th888th392nd
716th
777th
Hexdump
189th160th
83rd
327th240th
471st
333rd
269th173rd169th
180th219th
182nd125th
45th
218th318th147th
244th78th309th
19th69th
430th268th
179th61st
199th115th
Intersection
652nd
494th
397th
293rd
243rd
115th
147th584th
477th
238th
316th514th
Inventory Sequence
455th463rd
267th
403rd
349th
417th
302nd131st
606th
414th509th
75th416th
243rd453rd
212th
ISBN
259th163rd
274th
313th
709th
336th
424th767th
545th676th
161st21st698th55th649th386th546th
1,023rd115th341st
100th167th
766th834th
661st
524th1,204th515th
Jacobi Symbol
400th
294th
18th
324th
83rd
338th424th
207th85th
444th
295th
358th
Kaprekar Numbers
98th117th94th172nd
82nd48th36th14th
150th102nd358th120th54th63rd138th
77th108th104th
74th4th
179th
31st212th92nd
110th113th165th344th
42nd233rd376th
66th181st164th
69th114th
90th137th109th130th
Kolakoski Constant
550th64th
78th
302nd
15th549th
289th
191st
Kolakoski Sequence
263rd52nd
605th
837th
183rd
582nd
469th
691st144th
341st
285th326th683rd
35th769th
524th
656th
406th579th
Leap Years
814th1,104th
191st
278th616th289th898th
534th2,527th97th377th307th2,099th607th201st2,493rd2,581st829th964th
218th
468th31st388th236th2,120th511th409th725th
1,030th548th1,613th1,698th333rd331st
665th501st1,520th
1,657th696th1,130th
821st
281st693rd
Levenshtein Distance
388th
361st
84th220th
844th
415th
307th
274th432nd189th
300th
29th
425th180th
16th
187th
144th255th423rd
Leyland Numbers
92nd836th745th572nd
151st
453rd
271st
539th891st183rd59th
325th
902nd318th
4th155th
548th
643rd
333rd
161st988th
ln 2
575th
230th
693rd157th438th232nd223rd313th
366th
288th
190th
108th
62nd
456th
3rd
198th
26th654th
333rd
216th
180th
225th
503rd
Look and Say
1,207th1,176th368th
614th1,037th96th582nd
746th1,039th382nd
73rd
209th
176th
1,111th
1,141st537th519th106th
359th94th731st
143rd
132nd
1,036th
1,071st
Lucky Numbers
531st
405th
586th
431st
359th
297th
257th
371st306th
312th
330th643rd
28th252nd
Lucky Tickets
351st96th
Mahjong
189th
Medal Tally
135th
328th
347th
254th
241st
157th271st
33rd
187th310th
127th43rd
319th
Morse Decoder
100th
62nd
Morse Encoder
348th
139th
Musical Chords
291st
252nd
287th
N Queens
144th
Niven Numbers
898th948th1,032nd526th
1,083rd786th1,141st520th2,308th1,010th312th1,534th234th824th629th686th1,095th
2,237th1,197th1,173rd616th1,490th268th
2,196th1,774th454th54th1,268th971st358th773rd290th489th918th1,116th1,328th547th443rd760th8th514th38th1,588th1,699th333rd1,092nd1,716th1,929th842nd674th
1,181st1,770th656th1,540th
Niven Numbers (Long)
401st693rd
1,171st
1,047th
661st
695th1,268th120th1,325th
855th
1,108th
1,150th223rd
1,259th
932nd248th602nd136th2nd354th1,177th1,419th1,722nd1,372nd907th701st425th
174th412th18th1,324th60th926th1,284th
1,021st343rd
1,354th
Number Spiral
363rd
251st
177th
211th243rd
170th
471st
310th139th
231st577th
270th394th
1,172nd367th
381st266th
450th
142nd
88th434th
Odious Numbers
2,193rd1,480th
975th
244th478th601st972nd1,116th564th887th304th968th1,049th414th
731st518th
981st
119th
275th206th
1,906th1st1,387th1,147th2,085th
2,131st1,373rd752nd687th38th1,735th1,892nd
1,669th923rd544th499th
1,730th1,831st
1,404th2,385th1,627th1,608th
Odious Numbers (Long)
1,337th1,038th
692nd
377th288th323rd
358th
559th261st731st539th310th
605th
1,242nd848th499th
594th
101st
412th123rd
1,149th1st486th399th598th
687th1,227th1,032nd137th525th36th1,043rd1,047th
883rd610th444th
458th826th
505th1,398th1,020th545th
Ordinal Numbers
410th352nd
494th
588th
811th
794th631st
419th
1,041st
487th
898th896th
654th
384th39th285th255th728th727th
1,342nd
140th699th233rd
151st532nd695th
212th592nd725th108th
259th
646th
PalindromemordnilaP
276th
144th
455th
483rd
347th148th
380th
145th
Pangram Grep
1,835th
1,753rd863rd
986th
528th
980th
600th
131st
357th
305th44th646th371st81st270th
918th903rd214th
72nd288th550th
296th397th
547th
Partition Numbers
189th316th175th274th
269th
262nd
277th
276th186th
218th
216th195th
169th
224th219th295th
229th158th
95th235th288th271st
246th138th174th
Pascalβs Triangle
1,037th1,360th317th287th
793rd417th662nd1,403rd
505th1,079th
958th843rd1,064th
1,046th563rd802nd398th723rd726th
1st
471st577th201st569th1st333rd152nd937th1,053rd266th479th562nd792nd
80th121st327th596th372nd195th644th
250th332nd
592nd
897th901st
Pernicious Numbers
500th943rd689th454th
401st321st480th749th1,225th817th280th1,063rd207th712th601st1,015th621st808th879th936th1,238th549th1st1,359th
100th1,146th573rd146th
266th974th667th299th425th795th727th184th245th125th635th33rd517th87th
364th378th931st982nd1,927th348th469th
780th1,061st525th917th
Pernicious Numbers (Long)
830th
455th
626th
94th582nd65th409th
114th
347th358th
559th
1st
251st788th
105th149th203rd
414th522nd503rd123rd338th33rd259th
286th246th319th
160th505th
796th238th
433rd
Poker
396th
195th
Polyominoes
163rd
Prime Numbers
2,021st
809th
975th
1,199th797th
618th405th1,546th
1,410th
554th3,976th213th
945th
274th
1st
611th145th474th515th1st1,551st1,235th
1,180th1,171st1,641st
103rd416th185th1,250th1,104th816th1,229th640th
2,811th1,230th
1,971st2,297th
Prime Numbers (Long)
635th
643rd
728th775th1,197th
337th1,290th
641st
984th
139th
1,011th811th
790th
1st
703rd161st490th305th1st548th610th
1,288th918th1,033rd
94th321st719th663rd274th374th990th
806th1,239th
475th808th
Proximity Grid
334th
QR Decoder
248th
171st
217th
185th
326th
Quine
1st3,812th242nd2,930th3,024th1,988th3,881st1,404th3,841st2,844th2,718th4,603rd2,742nd608th2,899th1,803rd2,704th1,708th3,747th2,963rd581st2,401st2,393rd1,521st144th683rd1,979th549th2,576th1,463rd2,106th1,578th1,346th1st2,602nd1,242nd1,620th1,771st1,687th500th2,788th3,727th1,729th160th4,370th549th4,381st432nd1,336th1,813th3,125th1,644th3,087th1,630th4,666th4,818th4,828th4,847th1,851st
RecamΓ‘n
104th466th480th118th
314th169th94th605th
152nd481st491st209th497th923rd
727th693rd430th
459th
526th
179th21st721st269th
487th264th271st
552nd
443rd44th
37th226th
378th203rd973rd
321st175th
328th533rd363rd833rd
Repeating Decimals
249th
4th
Reverse Polish Notation
1st
424th
444th
764th
Rijndael S-box
319th
207th
416th
368th
Rock-paper-scissors-Spock-lizard
425th
Roman to Arabic
151st176th
314th
424th482nd423rd544th
507th644th96th380th408th572nd
225th
470th259th
583rd
319th177th149th198th
322nd294th338th
103rd483rd386th236th
36th2nd
395th184th327th
206th298th
242nd200th241st
ROT13
227th344th
411th
455th
168th
529th274th
439th275th468th429th
336th
122nd72nd225th
31st185th182nd
189th
94th
Rule 110
233rd
399th
322nd
251st
154th
30th
Set
158th
130th
151st
Seven Segment
607th
826th
942nd
198th
173rd
235th
109th
592nd
528th
SierpiΕski Triangle
867th982nd
275th
792nd
1,084th
660th621st
378th
896th
502nd
1,011th1,002nd729th
823rd806th761st
194th619th927th
305th
391st
825th
Smith Numbers
340th
422nd
121st366th
117th
482nd
305th287th
38th
343rd
186th40th
381st407th
404th
419th
Spelling Numbers
1st
519th
456th
Star Wars Opening Crawl
184th
Sudoku
279th
274th
Sudoku (Fill-in)
227th
222nd
139th
Ten-pin Bowling
151st
169th130th
Tic-tac-toe
230th
322nd
166th
149th
147th35th117th162nd
242nd
258th176th148th
291st170th
73rd
120th
114th
87th
Time Distance
390th
218th
223rd
Tongue-twisters
939th
737th
537th
639th
52nd
32nd
188th317th
384th
714th
Transpose Sentence
329th
323rd
212th
1st107th
358th
68th509th
159th
35th164th
179th
United States
408th
345th
146th
139th
173rd
54th114th86th
386th140th
32nd12th
219th
427th
Vampire Numbers
687th723rd
636th89th
63rd
101st
369th
560th
Van Eck Sequence
309th
541st
665th
759th
222nd322nd
1,014th
701st
672nd
Zeckendorf Representation
51st300th
234th
259th186th
373rd304th
366th235th
156th343rd274th
205th228th
90th67th
276th
174th
289th
257th267th218th
46th69th
129th345th
264th
253rd103rd
153rd155th237th206th
Ξ³
604th414th272nd
258th
1st
1,124th
343rd249th
143rd
Ξ»
849th802nd672nd
614th
416th
154th
267th626th
472nd
Ο
2,121st629th1,098th
1,302nd488th239th
296th329th
1,263rd
685th297th
502nd325th
7th
810th
1,234th
492nd
470th
196th
706th
572nd
435th1,106th
254th
198th
388th
Ο
1,273rd
1,297th
906th452nd298th
284th310th
263rd
259th
7th
894th
443rd
554th
165th
563rd
403rd
187th
190th
374th
Ο
569th
701st395th1,676th372nd
550th491st522nd1,060th290th190th532nd519th572nd
554th404th
629th201st
278th
497th485th
67th
702nd441st
1,053rd
36th621st406th
12th312th
582nd310th415th
375th198th
364th317th344th459th
β2
2,002nd947th
505th389th1,260th252nd185th485th516th618th
458th
205th
362nd274th
111th
265th
1,224th
83rd
484th
4th
796th
465th
194th
300th
509th
π
432nd466th301st394th1,991st363rd429th260th309th
1,209th233rd161st520th320th344th929th590th
522nd395th271st860th396th
321st138th
17th
627th384th359th
426th191st220th304th505th59th211th
644th588th269th336th
282nd257th
283rd380th357th333rd