12 Days of Christmas
251st
1,470th
262nd
314th
943rd
291st
489th
821st
843rd
1,260th
24 Game
133rd
101st
135th
99 Bottles of Beer
1,800th
595th
1,285th
1,799th
1,397th
1,637th
1,508th
1,525th
512th
768th
575th
1,286th
1,718th
1,753rd
829th
1,933rd
562nd
937th
786th
2,041st
1,017th
805th
Abundant Numbers
693rd
1,651st
798th
1,122nd
594th
444th
1,083rd
470th
287th
31st
11th
352nd
634th
611th
311th
1,536th
1,981st
2,546th
1,989th
1,026th
Abundant Numbers (Long)
922nd
497th
890th
611th
95th
247th
643rd
315th
348th
30th
11th
579th
177th
802nd
485th
960th
1,400th
1,054th
639th
Arabic to Roman
825th
686th
377th
651st
2nd
842nd
487th
422nd
875th
278th
493rd
Arithmetic Numbers
374th
353rd
235th
104th
334th
281st
212th
267th
288th
15th
248th
280th
19th
228th
468th
316th
239th
490th
613th
420th
Arrows
561st
510th
Ascending Primes
317th
7th
360th
ASCII Table
301st
403rd
603rd
47th
460th
611th
372nd
381st
669th
brainfuck
768th
235th
Catalan Numbers
955th
172nd
412th
458th
490th
158th
587th
108th
147th
272nd
319th
34th
733rd
214th
417th
406th
Catalanβs Constant
491st
214th
141st
164th
3rd
576th
188th
497th
235th
546th
225th
Christmas Trees
1,453rd
934th
38th
731st
1,600th
204th
857th
671st
1,551st
1,184th
Collatz
724th
839th
1,150th
546th
883rd
672nd
403rd
63rd
797th
1,045th
992nd
168th
842nd
844th
1,100th
1,244th
966th
CSS Colors
156th
241st
53rd
136th
Cubes
248th
337th
366th
Day of Week
758th
708th
563rd
387th
203rd
690th
509th
355th
640th
418th
160th
663rd
215th
DFA Simulator
283rd
Diamonds
456th
53rd
680th
500th
360th
140th
784th
Divisors
2,728th
1,545th
1,645th
2,126th
2,335th
1,982nd
1,755th
1,273rd
1,307th
1,601st
402nd
1,957th
22nd
465th
2,380th
646th
481st
2,529th
1,289th
2,249th
2,466th
Emirp Numbers
948th
265th
172nd
1,082nd
481st
641st
472nd
981st
40th
684th
342nd
336th
743rd
Emirp Numbers (Long)
520th
171st
546th
240th
188th
103rd
111th
222nd
204th
Emojify
108th
648th
Evil Numbers
2,503rd
1,462nd
371st
325th
487th
660th
584th
995th
804th
521st
555th
134th
331st
261st
1,443rd
1st
2,037th
2,130th
914th
2,650th
35th
2,194th
1,208th
1,425th
1,012th
1,229th
1,584th
1,205th
1,668th
922nd
Evil Numbers (Long)
1,135th
670th
531st
254th
513th
1,600th
204th
658th
471st
341st
447th
59th
388th
75th
705th
1st
734th
1,127th
579th
1,188th
31st
982nd
976th
898th
548th
422nd
402nd
663rd
935th
591st
Factorial Factorisation
234th
Farey Sequence
223rd
300th
101st
286th
85th
115th
48th
232nd
149th
121st
179th
165th
27th
155th
159th
253rd
207th
212th
237th
405th
7th
143rd
344th
215th
138th
261st
171st
233rd
302nd
Fibonacci
4,704th
6,936th
2,178th
4,836th
1,552nd
513th
325th
730th
5,295th
4,002nd
2,109th
2,212th
1,654th
1,487th
588th
5,195th
4,587th
470th
143rd
355th
4,441st
388th
1,676th
5,882nd
2,601st
2,184th
2,395th
30th
2,909th
2,187th
2,093rd
817th
772nd
6,269th
1,628th
1,701st
797th
3,403rd
1,737th
Fizz Buzz
4,396th
10,673rd
3,125th
1,956th
7,058th
1,300th
8,881st
3,792nd
2,396th
4,381st
5,240th
9,434th
1,901st
4,572nd
2,742nd
2,890th
9,668th
7,078th
9,940th
4,790th
1,002nd
1,912th
6,136th
4,900th
1,032nd
104th
1,693rd
4,069th
3,524th
2,357th
4,311th
4,254th
6,335th
1,819th
507th
4,109th
9,220th
46th
1,730th
2,751st
449th
4,000th
9,686th
7,259th
3,745th
2,341st
7,895th
10,739th
2,954th
7,065th
Foo Fizz Buzz Bar
1,026th
1,047th
247th
706th
1,166th
886th
228th
10th
442nd
1,383rd
1,339th
1,147th
ForsythβEdwards Notation
282nd
273rd
187th
229th
268th
404th
174th
421st
263rd
319th
Fractions
844th
220th
482nd
935th
437th
382nd
728th
652nd
91st
919th
9th
398th
901st
886th
Game of Life
400th
255th
Gijswijtβs Sequence
108th
22nd
140th
175th
170th
308th
271st
116th
99th
292nd
6th
237th
120th
133rd
119th
78th
Happy Numbers
204th
1,632nd
496th
366th
1,069th
83rd
181st
810th
235th
227th
102nd
1,134th
633rd
546th
402nd
518th
919th
1,295th
1,920th
722nd
Happy Numbers (Long)
260th
983rd
289th
582nd
31st
127th
630th
199th
65th
392nd
473rd
338th
805th
692nd
803rd
843rd
Hexdump
135th
64th
212th
175th
82nd
327th
2nd
192nd
366th
Intersection
724th
588th
514th
486th
106th
247th
805th
749th
317th
595th
Inventory Sequence
649th
592nd
523rd
567th
560th
ISBN
797th
226th
464th
785th
415th
24th
75th
672nd
211th
170th
332nd
829th
493rd
607th
Jacobi Symbol
256th
271st
17th
303rd
212th
323rd
200th
225th
419th
359th
259th
Kolakoski Constant
456th
122nd
25th
60th
234th
591st
Kolakoski Sequence
546th
515th
355th
528th
689th
268th
112th
196th
258th
153rd
777th
510th
619th
428th
537th
Leap Years
781st
183rd
549th
301st
270th
315th
96th
398th
293rd
635th
260th
31st
108th
1,560th
387th
656th
895th
323rd
336th
313th
597th
488th
645th
1,062nd
726th
241st
679th
Levenshtein Distance
373rd
123rd
81st
219th
376th
195th
370th
65th
106th
171st
3rd
324th
152nd
Leyland Numbers
124th
824th
95th
803rd
19th
524th
483rd
505th
886th
ln 2
496th
98th
296th
123rd
60th
21st
236th
384th
Look and Say
1,035th
1,004th
988th
1,043rd
1,017th
385th
55th
936th
399th
202nd
146th
854th
978th
991st
833rd
456th
904th
373rd
679th
727th
165th
933rd
955th
Lucky Numbers
378th
494th
369th
464th
259th
357th
408th
32nd
298th
Medal Tally
142nd
184th
270th
29th
214th
125th
141st
Morse Decoder
598th
Morse Encoder
257th
195th
Musical Chords
262nd
N Queens
143rd
Niven Numbers
1,465th
831st
497th
1,116th
286th
1,132nd
1,659th
1,021st
345th
218th
873rd
671st
1,393rd
657th
747th
1,785th
519th
81st
233rd
1st
2,335th
314th
405th
967th
954th
1,244th
565th
870th
2,731st
30th
845th
362nd
814th
378th
2,283rd
2,407th
478th
702nd
595th
640th
1,059th
Niven Numbers (Long)
961st
863rd
510th
64th
1,109th
777th
234th
133rd
1st
1,095th
1,161st
1,414th
1,363rd
745th
602nd
1,323rd
407th
633rd
149th
75th
1,104th
1,259th
310th
1,260th
Number Spiral
328th
217th
160th
185th
209th
767th
666th
481st
511th
267th
175th
354th
499th
212th
339th
1,022nd
312th
387th
434th
521st
303rd
374th
Odious Numbers
2,002nd
909th
233rd
220th
389th
595th
281st
886th
883rd
491st
464th
102nd
273rd
133rd
963rd
1st
1,072nd
1,756th
1,919th
1,023rd
2,519th
2,498th
33rd
1,825th
1,056th
1,057th
882nd
991st
1,677th
863rd
1,492nd
743rd
Odious Numbers (Long)
970th
621st
329th
246th
258th
266th
610th
479th
313th
397th
85th
382nd
104th
649th
1st
371st
496th
1,061st
781st
1,202nd
31st
971st
952nd
727th
538th
405th
685th
614th
842nd
486th
Ordinal Numbers
406th
489th
341st
382nd
619th
678th
423rd
40th
186th
549th
822nd
1,252nd
122nd
733rd
197th
923rd
75th
98th
277th
Pangram Grep
1,304th
845th
425th
645th
868th
77th
169th
20th
947th
950th
1,300th
153rd
690th
499th
718th
789th
Pascalβs Triangle
1,360th
1,477th
1,187th
962nd
1,051st
1,019th
554th
1,706th
1,697th
1st
1,090th
531st
360th
1st
992nd
1,713th
1,435th
456th
623rd
35th
197th
139th
444th
545th
386th
Pernicious Numbers
2,241st
475th
956th
636th
441st
209th
293rd
455th
965th
747th
342nd
195th
669th
561st
950th
581st
1,175th
908th
509th
2,364th
1,185th
71st
701st
534th
114th
258th
856th
1,176th
273rd
393rd
721st
656th
174th
238th
95th
1,984th
24th
694th
144th
158th
362nd
1,571st
1,688th
318th
431st
413th
2,144th
491st
738th
Pernicious Numbers (Long)
82nd
64th
39th
200th
646th
161st
150th
439th
415th
9th
466th
285th
251st
155th
431st
344th
Poker
176th
Prime Numbers
878th
986th
1,127th
741st
412th
3,200th
219th
1st
350th
124th
511th
1st
1,224th
1,193rd
1,167th
88th
2,391st
159th
175th
816th
2,384th
1,551st
1,240th
1,851st
1,392nd
Prime Numbers (Long)
524th
738th
586th
298th
118th
1st
530th
136th
806th
1st
492nd
1,741st
751st
78th
1,367th
571st
222nd
311th
923rd
1,194th
1,033rd
666th
Proximity Grid
334th
QR Decoder
145th
179th
164th
191st
219th
Quine
1st
4,383rd
1,519th
215th
2,882nd
2,622nd
1,724th
3,276th
1,222nd
3,260th
2,402nd
4,000th
2,322nd
2,506th
1,553rd
2,352nd
1,500th
3,248th
2,556th
520th
2,089th
2,733rd
129th
1,009th
1,717th
499th
2,229th
1,328th
1,820th
1,170th
1st
1,030th
1,092nd
1,418th
1,581st
1,478th
444th
2,421st
3,230th
1,537th
141st
3,757th
489th
386th
1,273rd
2,608th
1,453rd
2,670th
1,444th
4,055th
4,178th
4,197th
1,707th
RecamΓ‘n
267th
609th
644th
215th
762nd
976th
43rd
687th
564th
827th
Repeating Decimals
265th
1st
Reverse Polish Notation
1st
699th
548th
609th
Rijndael S-box
522nd
328th
267th
641st
482nd
406th
436th
618th
702nd
275th
464th
450th
569th
231st
Rock-paper-scissors-Spock-lizard
392nd
Roman to Arabic
299th
371st
272nd
625th
561st
404th
191st
251st
70th
379th
64th
41st
305th
333rd
392nd
394th
Rule 110
71st
546th
285th
325th
21st
10th
Seven Segment
633rd
847th
632nd
300th
389th
250th
149th
677th
294th
SierpiΕski Triangle
1,021st
1,013th
767th
846th
177th
935th
927th
546th
706th
337th
799th
483rd
917th
868th
863rd
613th
795th
714th
114th
582nd
692nd
224th
341st
729th
Smith Numbers
334th
429th
513th
288th
173rd
348th
223rd
305th
435th
505th
446th
Spelling Numbers
1st
546th
543rd
Star Wars Opening Crawl
211th
Sudoku
151st
137th
Sudoku v2
166th
160th
149th
Ten-pin Bowling
178th
Time Distance
339th
288th
294th
Tongue-twisters
1,625th
1,030th
1,070th
782nd
1,242nd
1,528th
1,232nd
881st
1,550th
1,543rd
1,281st
1,270th
1,165th
1,263rd
1,562nd
1,185th
1,081st
269th
327th
762nd
1,153rd
1,047th
734th
1,485th
1,223rd
1,458th
945th
255th
941st
1,387th
1,575th
953rd
646th
1,019th
858th
1,367th
1,142nd
1,334th
565th
United States
286th
243rd
177th
52nd
79th
350th
153rd
2nd
67th
Vampire Numbers
525th
577th
494th
109th
75th
649th
138th
460th
554th
685th
Van Eck Sequence
466th
556th
643rd
390th
625th
863rd
745th
Ξ³
379th
538th
164th
347th
1st
811th
814th
139th
287th
Ξ»
541st
653rd
567th
925th
401st
534th
806th
128th
1,257th
179th
952nd
413th
Ο
1,745th
937th
1,102nd
366th
364th
1,059th
385th
23rd
1,030th
425th
281st
454th
629th
577th
593rd
Ο
1,042nd
1,059th
751st
322nd
336th
332nd
25th
735th
376th
264th
481st
762nd
510th
Ο
1,120th
1,389th
294th
870th
162nd
454th
673rd
321st
192nd
212th
428th
455th
77th
479th
504th
862nd
12th
29th
508th
155th
882nd
β2
1,588th
249th
1,031st
173rd
436th
217th
116th
1,000th
11th
32nd
163rd
1,013th
π
1,264th
1,565th
993rd
177th
317th
124th
15th
159th
55th
414th