12 Days of Christmas
19th
337th
397th
151st
24 Game
13th
14th
89th
98th
145th
25th
31st
7th
75th
99 Bottles of Beer
131st
78th
65th
187th
188th
Abundant Numbers
447th
1,403rd
553rd
699th
623rd
1,121st
594th
281st
957th
777th
1,236th
548th
323rd
738th
1st
76th
1,111th
287th
31st
11th
1,547th
1,030th
547th
435th
1,660th
414th
335th
126th
604th
236th
301st
835th
677th
735th
Abundant Numbers (Long)
774th
264th
762nd
204th
734th
260th
95th
56th
242nd
477th
467th
704th
451st
472nd
1st
74th
161st
315th
348th
30th
11th
920th
196th
378th
729th
656th
578th
630th
825th
177th
463rd
221st
329th
118th
150th
799th
266th
Arabic to Roman
81st
204th
189th
152nd
38th
118th
171st
2nd
282nd
188th
163rd
108th
404th
129th
217th
206th
159th
144th
Arithmetic Numbers
373rd
117th
293rd
104th
300th
132nd
151st
220th
125th
191st
386th
58th
228th
492nd
315th
Ascending Primes
62nd
67th
98th
106th
128th
42nd
134th
116th
123rd
163rd
146th
96th
34th
7th
110th
12th
165th
ASCII Table
166th
66th
199th
119th
25th
139th
86th
75th
95th
243rd
175th
149th
157th
2nd
217th
36th
brainfuck
141st
76th
197th
218th
35th
162nd
Catalan Numbers
284th
362nd
172nd
257th
428th
502nd
384th
301st
10th
200th
158th
331st
108th
147th
272nd
319th
357th
34th
575th
445th
92nd
389th
Catalan’s Constant
197th
90th
103rd
3rd
119th
160th
487th
Christmas Trees
308th
320th
111th
520th
276th
8th
135th
256th
62nd
309th
17th
484th
61st
282nd
44th
275th
Collatz
419th
958th
529th
249th
734th
520th
144th
396th
342nd
766th
795th
28th
217th
330th
8th
653rd
913th
342nd
313th
996th
550th
541st
43rd
302nd
205th
1,024th
294th
577th
1,099th
1,140th
CSS Colors
233rd
168th
151st
189th
173rd
16th
71st
170th
1st
22nd
184th
75th
141st
115th
270th
343rd
Cubes
159th
74th
6th
76th
197th
Day of Week
194th
440th
170th
407th
171st
449th
447th
368th
343rd
409th
249th
263rd
575th
454th
227th
93rd
487th
325th
243rd
484th
411th
355th
1st
567th
46th
160th
281st
131st
529th
215th
DFA Simulator
15th
23rd
32nd
76th
Diamonds
247th
201st
189th
208th
72nd
266th
122nd
103rd
146th
213th
17th
107th
94th
144th
342nd
126th
135th
65th
143rd
257th
212th
Divisors
1,284th
2,107th
912th
739th
995th
385th
1,296th
1,130th
539th
557th
778th
749th
758th
2,403rd
966th
977th
408th
2,303rd
771st
476th
285th
1,601st
402nd
439th
817th
1,421st
1,362nd
600th
1,539th
1,432nd
22nd
465th
299th
2,302nd
338th
481st
929th
1,358th
941st
Emirp Numbers
92nd
253rd
265th
324th
244th
155th
221st
115th
358th
141st
75th
154th
63rd
189th
82nd
209th
48th
27th
196th
284th
336th
596th
Emirp Numbers (Long)
305th
275th
255th
107th
202nd
99th
268th
236th
176th
225th
235th
296th
314th
195th
386th
143rd
42nd
70th
Evil Numbers
1,658th
928th
1,468th
757th
371st
325th
487th
692nd
660th
584th
275th
804th
521st
577th
884th
451st
1,643rd
414th
731st
134th
503rd
331st
261st
751st
1st
436th
709th
395th
697th
611th
851st
573rd
1,338th
512th
35th
1,050th
878th
1,754th
304th
386th
624th
2,039th
319th
888th
965th
703rd
497th
922nd
Evil Numbers (Long)
925th
621st
575th
355th
178th
218th
227th
416th
1,147th
204th
192nd
471st
341st
627th
543rd
268th
651st
316th
59th
435th
285th
75th
705th
1st
376th
394th
604th
778th
478th
510th
364th
31st
982nd
906th
614th
280th
402nd
360th
591st
Factorial Factorisation
69th
139th
78th
120th
159th
81st
24th
6th
102nd
9th
Farey Sequence
237th
101st
148th
85th
121st
142nd
48th
161st
127th
216th
119th
177th
27th
138th
205th
107th
7th
144th
Fibonacci
3,383rd
2,808th
1,745th
2,657th
1,898th
1,552nd
513th
325th
730th
1,691st
2,355th
2,109th
285th
1,654th
1,487th
1,696th
2,351st
1,544th
1,525th
3,160th
588th
1st
298th
1,670th
470th
143rd
355th
1,471st
388th
1,676th
1,870th
2,217th
1,523rd
860th
1,433rd
1,615th
30th
2,909th
243rd
1,859th
817th
772nd
2,015th
1,628th
1,701st
3,972nd
797th
3,403rd
2,429th
Fizz Buzz
4,394th
1,243rd
1,955th
1,299th
8,878th
1,746th
563rd
1,155th
1,909th
1,273rd
3,379th
2,320th
2,313th
2,787th
3,013th
3,842nd
3,106th
4,323rd
1,001st
1,911th
6,135th
4,898th
1,760th
1,031st
104th
1,692nd
4,067th
1,452nd
985th
3,642nd
2,807th
1,818th
507th
4,644th
46th
1,729th
91st
3,910th
449th
2,441st
3,566th
1,147th
2,339th
2,648th
1,764th
Foo Fizz Buzz Bar
294th
432nd
394th
519th
247th
399th
458th
360th
677th
703rd
1,364th
5th
287th
310th
354th
401st
536th
885th
374th
857th
301st
228th
1,181st
10th
323rd
161st
981st
435th
371st
1,013th
Forsyth–Edwards Notation
189th
194th
119th
97th
96th
91st
153rd
102nd
44th
144th
136th
53rd
94th
85th
145th
231st
Fractions
201st
261st
413th
406th
662nd
190th
256th
420th
435th
123rd
792nd
625th
91st
225th
9th
Game of Life
68th
143rd
148th
115th
124th
91st
72nd
205th
131st
47th
145th
168th
188th
34th
132nd
246th
92nd
223rd
80th
121st
93rd
37th
136th
186th
88th
Gijswijt’s Sequence
65th
Happy Numbers
204th
447th
310th
300th
542nd
325th
366th
140th
126th
345th
269th
287th
156th
264th
181st
259th
235th
61st
102nd
1st
477th
602nd
381st
633rd
308th
163rd
216th
28th
283rd
69th
276th
627th
559th
857th
Happy Numbers (Long)
107th
221st
289th
99th
259th
271st
75th
359th
190th
326th
320th
404th
156th
31st
127th
275th
167th
45th
65th
1st
323rd
555th
365th
473rd
252nd
148th
428th
311th
583rd
373rd
262nd
430th
Hexdump
60th
141st
537th
2nd
Intersection
127th
142nd
151st
154th
200th
88th
59th
208th
34th
115th
137th
42nd
86th
122nd
Inventory Sequence
209th
151st
232nd
92nd
223rd
124th
189th
82nd
202nd
234th
394th
337th
259th
257th
162nd
431st
195th
113th
150th
269th
249th
328th
193rd
59th
336th
121st
305th
191st
ISBN
83rd
205th
335th
201st
322nd
139th
585th
147th
204th
96th
24th
76th
162nd
339th
109th
370th
302nd
150th
181st
45th
356th
Jacobi Symbol
17th
Kolakoski Constant
121st
140th
90th
84th
179th
230th
Kolakoski Sequence
204th
147th
344th
159th
286th
355th
90th
252nd
296th
353rd
428th
660th
188th
76th
23rd
174th
98th
112th
1st
132nd
309th
129th
258th
153rd
585th
67th
497th
490th
Leap Years
781st
993rd
183rd
549th
301st
270th
892nd
2,413th
315th
96th
398th
293rd
256th
581st
282nd
635th
191st
546th
260th
31st
108th
1,443rd
387th
654th
1,449th
1,660th
681st
323rd
336th
762nd
597th
488th
1,554th
479th
486th
1,498th
726th
241st
Levenshtein Distance
123rd
81st
161st
257th
110th
214th
220th
168th
245th
339th
65th
39th
171st
3rd
152nd
Leyland Numbers
124th
388th
254th
291st
347th
201st
217th
520th
19th
367th
364th
ln 2
98th
227th
135th
186th
60th
3rd
21st
80th
Look and Say
180th
372nd
55th
233rd
163rd
223rd
252nd
142nd
194th
7th
323rd
111th
104th
94th
Lucky Numbers
104th
209th
238th
232nd
258th
127th
32nd
226th
Lucky Tickets
143rd
135th
129th
232nd
Mahjong
56th
54th
Maze
135th
Medal Tally
97th
32nd
91st
131st
74th
Morse Decoder
124th
30th
54th
64th
112th
49th
Morse Encoder
52nd
41st
61st
75th
48th
50th
93rd
58th
9th
102nd
14th
69th
N Queens
41st
13th
8th
60th
21st
30th
Niven Numbers
1,953rd
2,000th
889th
831st
497th
180th
286th
510th
916th
1,021st
345th
218th
873rd
671st
713th
657th
629th
1,001st
1,145th
747th
1st
266th
583rd
519th
81st
233rd
1,109th
1,428th
314th
405th
967th
954th
171st
565th
60th
727th
30th
845th
66th
1,952nd
814th
378th
1,219th
1,805th
478th
702nd
1,816th
595th
640th
1,059th
Niven Numbers (Long)
346th
403rd
200th
173rd
275th
465th
746th
229th
64th
459th
571st
472nd
481st
285th
497th
692nd
327th
12th
213th
266th
350th
107th
135th
535th
773rd
502nd
440th
546th
562nd
57th
602nd
390th
121st
631st
34th
978th
75th
620th
381st
310th
875th
611th
Number Spiral
52nd
36th
87th
193rd
67th
86th
49th
77th
156th
73rd
133rd
121st
222nd
Odious Numbers
1,355th
963rd
1,496th
509th
175th
220th
389th
572nd
594th
281st
211th
834th
491st
534th
739th
394th
1,588th
341st
689th
102nd
411th
273rd
133rd
470th
1st
424th
609th
317th
584th
529th
1,037th
659th
1,626th
450th
33rd
1,044th
630th
1,855th
262nd
247th
556th
1,823rd
304th
1,033rd
676th
403rd
482nd
743rd
Odious Numbers (Long)
977th
556th
476th
297th
147th
187th
203rd
391st
1,000th
266th
154th
452nd
313th
568th
550th
233rd
571st
346th
85th
412th
287th
104th
649th
1st
302nd
371st
615th
503rd
545th
725th
359th
31st
971st
846th
560th
226th
685th
355th
486th
Ordinal Numbers
406th
339th
341st
670th
291st
382nd
135th
317th
473rd
538th
376th
403rd
423rd
40th
186th
154th
502nd
122nd
430th
197th
259th
86th
75th
98th
3rd
277th
Pangram Grep
470th
394th
376th
283rd
692nd
118th
382nd
414th
1st
140th
726th
77th
103rd
71st
405th
176th
685th
618th
687th
209th
479th
109th
186th
Pascal’s Triangle
349th
637th
394th
149th
495th
621st
377th
499th
450th
341st
413th
1st
404th
488th
360th
1st
207th
528th
344th
456th
623rd
35th
197th
70th
496th
94th
715th
Pernicious Numbers
475th
956th
636th
441st
209th
293rd
455th
797th
747th
342nd
195th
669th
561st
618th
581st
603rd
713th
818th
509th
1st
1,170th
71st
701st
534th
114th
258th
315th
891st
273rd
393rd
721st
656th
174th
238th
95th
594th
24th
694th
144th
1,036th
158th
362nd
828th
318th
431st
1,139th
413th
491st
738th
Pernicious Numbers (Long)
551st
639th
542nd
589th
512th
134th
328th
301st
606th
82nd
64th
318th
464th
393rd
427th
97th
467th
297th
402nd
78th
437th
39th
515th
200th
461st
161st
58th
392nd
612th
230th
567th
315th
438th
347th
34th
237th
9th
322nd
407th
117th
183rd
155th
211th
282nd
Prime Numbers
1,108th
764th
864th
1,123rd
727th
739th
412th
790th
606th
730th
219th
394th
260th
1st
553rd
350th
124th
1,523rd
1st
276th
1,369th
243rd
511th
88th
1,389th
159th
1,121st
175th
651st
1,465th
1,142nd
1,403rd
526th
563rd
Prime Numbers (Long)
881st
440th
736th
493rd
585th
514th
878th
297th
431st
596th
663rd
478th
118th
719th
503rd
639th
1st
470th
529th
136th
804th
1st
349th
414th
658th
78th
1,365th
570th
222nd
310th
654th
923rd
385th
Proximity Grid
99th
54th
55th
78th
106th
72nd
122nd
80th
87th
51st
62nd
70th
151st
35th
63rd
9th
Quine
1st
1,519th
215th
2,782nd
2,321st
1,724th
3,276th
1,222nd
3,260th
4,000th
2,322nd
2,506th
1,553rd
2,352nd
1,500th
2,213th
2,556th
520th
2,089th
1,695th
129th
1,009th
1,717th
499th
1,604th
1,328th
191st
1,170th
1st
1,030th
1,092nd
1,418th
1,581st
1,478th
444th
2,421st
3,230th
1,537th
141st
3,757th
489th
2,078th
386th
1,273rd
2,608th
1,453rd
2,670th
1,444th
4,071st
1,707th
Recamán
220th
259th
193rd
212th
309th
270th
400th
55th
397th
119th
272nd
10th
391st
319th
Repeating Decimals
41st
57th
20th
1st
16th
Reverse Polish Notation
232nd
217th
135th
763rd
233rd
99th
245th
1st
133rd
75th
136th
218th
150th
56th
458th
186th
Rijndael S-box
135th
39th
21st
130th
61st
138th
121st
56th
128th
122nd
87th
74th
Rock-paper-scissors-Spock-lizard
107th
242nd
213th
Roman to Arabic
198th
250th
182nd
111th
166th
259th
283rd
8th
218th
290th
237th
191st
202nd
159th
270th
119th
70th
247th
22nd
47th
260th
Rule 110
71st
41st
297th
53rd
202nd
95th
273rd
21st
10th
104th
Seven Segment
1,110th
105th
284th
133rd
77th
101st
94th
270th
135th
172nd
127th
231st
79th
140th
116th
143rd
198th
SI Units
93rd
Sierpiński Triangle
72nd
57th
80th
153rd
85th
157th
243rd
99th
171st
146th
189th
161st
140th
5th
238th
14th
36th
77th
102nd
137th
278th
202nd
147th
Smith Numbers
50th
165th
88th
71st
129th
Spelling Numbers
65th
1st
Sudoku
43rd
66th
51st
62nd
Sudoku v2
76th
94th
16th
73rd
29th
88th
23rd
Ten-pin Bowling
91st
107th
112th
Time Distance
54th
79th
Tongue-twisters
147th
62nd
247th
United States
247th
217th
123rd
243rd
110th
199th
107th
52nd
34th
171st
271st
221st
224th
153rd
2nd
67th
132nd
Van Eck Sequence
232nd
225th
91st
322nd
31st
195th
367th
8th
339th
Zodiac Signs
106th
32nd
212th
154th
55th
237th
127th
138th
22nd
66th
77th
γ
117th
125th
129th
1st
103rd
126th
108th
λ
100th
54th
93rd
138th
π
214th
267th
328th
374th
248th
225th
23rd
85th
147th
125th
τ
204th
212th
279th
315th
144th
25th
136th
97th
122nd
φ
281st
251st
162nd
297th
378th
321st
192nd
126th
111th
77th
228th
487th
12th
340th
29th
316th
62nd
√2
249th
173rd
318th
418th
233rd
204th
256th
149th
116th
11th
445th
32nd
108th
𝑒
254th
177th
297th
337th
318th
142nd
124th
15th
159th
55th
118th