12 Days of Christmas
137th
748th
439th
1,367th
1,919th
167th
179th
182nd
378th
22nd
681st
147th
518th
40th
89th
647th
1,206th
68th
802nd
24 Game
155th
99 Bottles of Beer
107th
468th
238th
1,044th
284th
118th
82nd
137th
128th
74th
585th
303rd
116th
161st
26th
133rd
213th
58th
555th
Abundant Numbers
110th
709th
1,714th
1,111th
1,898th
538th
1,239th
577th
821st
938th
300th
1,021st
915th
369th
198th
2,094th
645th
45th
1,585th
231st
1,692nd
283rd
75th
1,019th
2,009th
617th
1,038th
406th
1,229th
750th
304th
17th
599th
1,487th
397th
1,271st
241st
985th
Abundant Numbers (Long)
85th
268th
366th
365th
544th
736th
53rd
432nd
597th
663rd
504th
385th
771st
68th
191st
170th
286th
4th
128th
227th
867th
1,136th
63rd
523rd
744th
46th
22nd
881st
326th
118th
150th
212th
272nd
Arabic to Roman
124th
395th
589th
153rd
46th
3rd
410th
405th
120th
Arithmetic Numbers
62nd
311th
299th
413th
116th
307th
266th
277th
505th
545th
3rd
71st
569th
389th
258th
Arrows
119th
166th
325th
289th
174th
69th
100th
72nd
223rd
93rd
52nd
110th
256th
7th
49th
300th
60th
Ascending Primes
209th
555th
179th
245th
56th
24th
261st
107th
ASCII Table
64th
109th
551st
553rd
83rd
176th
445th
73rd
301st
107th
352nd
140th
116th
82nd
53rd
562nd
69th
204th
brainfuck
57th
103rd
202nd
439th
174th
113th
87th
96th
102nd
257th
160th
34th
252nd
147th
95th
24th
19th
142nd
177th
85th
Catalan Numbers
1st
503rd
418th
292nd
414th
209th
276th
518th
412th
180th
312th
12th
101st
866th
387th
424th
425th
349th
29th
25th
85th
377th
Catalan’s Constant
46th
222nd
239th
78th
2nd
50th
82nd
44th
188th
63rd
Christmas Trees
461st
158th
407th
576th
74th
216th
271st
219th
1,687th
257th
120th
114th
254th
661st
523rd
164th
81st
384th
627th
180th
Collatz
53rd
496th
198th
431st
580th
292nd
350th
492nd
445th
358th
768th
168th
267th
4th
570th
272nd
259th
417th
520th
160th
327th
23rd
162nd
751st
27th
319th
191st
CSS Colors
337th
239th
80th
374th
2nd
206th
34th
407th
192nd
Cubes
48th
323rd
370th
132nd
151st
Day of Week
400th
359th
518th
278th
220th
419th
264th
258th
647th
1st
448th
46th
306th
504th
189th
DFA Simulator
173rd
61st
9th
55th
50th
95th
4th
23rd
11th
83rd
Diamonds
169th
84th
297th
404th
67th
292nd
139th
306th
361st
131st
188th
337th
144th
182nd
45th
470th
520th
164th
197th
Divisors
136th
1,904th
742nd
1,578th
3,737th
727th
140th
1,339th
1,114th
815th
734th
663rd
1,970th
825th
874th
294th
172nd
1,151st
1st
685th
247th
104th
155th
206th
729th
1,142nd
702nd
132nd
862nd
29th
22nd
1,893rd
770th
254th
751st
692nd
619th
Emirp Numbers
517th
390th
659th
479th
184th
142nd
543rd
87th
53rd
578th
620th
1,535th
175th
573rd
634th
529th
203rd
592nd
205th
602nd
107th
224th
37th
546th
285th
443rd
Emirp Numbers (Long)
63rd
127th
443rd
42nd
133rd
4th
148th
257th
82nd
89th
98th
195th
36th
200th
74th
Emojify
11th
71st
99th
157th
Evil Numbers
1,593rd
669th
1,835th
677th
1,004th
493rd
554th
965th
288th
921st
958th
2,060th
423rd
798th
1,273rd
658th
1,346th
1,135th
2,168th
134th
1,852nd
332nd
1st
811th
1,987th
605th
984th
890th
751st
1,488th
455th
35th
163rd
1,511th
1,149th
1,120th
1,999th
1,825th
804th
809th
Evil Numbers (Long)
600th
561st
435th
655th
218th
580th
189th
408th
715th
560th
245th
433rd
845th
443rd
781st
696th
59th
841st
267th
1st
358th
720th
593rd
762nd
755th
425th
719th
333rd
90th
75th
1,223rd
601st
672nd
401st
366th
429th
Factorial Factorisation
16th
53rd
133rd
78th
110th
50th
107th
227th
12th
161st
177th
81st
Farey Sequence
89th
113th
227th
279th
391st
137th
218th
139th
176th
225th
52nd
132nd
231st
295th
228th
50th
366th
Fibonacci
148th
4,369th
2,655th
1,510th
1,916th
4,919th
545th
356th
680th
4,021st
2,792nd
343rd
1,666th
1,494th
1,705th
872nd
1,540th
1,518th
2,790th
767th
1st
316th
2,419th
2,243rd
1,682nd
502nd
154th
3,828th
3,041st
2,010th
419th
1,688th
1,866th
2,183rd
2,084th
307th
1,433rd
1,627th
39th
31st
1,855th
255th
2,015th
1,647th
1,713th
747th
6,601st
1,558th
3,064th
Fizz Buzz
518th
502nd
3,589th
1,969th
1,975th
1,256th
452nd
1,424th
2,830th
1,156th
1,549th
1,679th
1,779th
6,852nd
3,854th
2,001st
3,557th
3,233rd
4,230th
1,171st
5,413th
4,750th
1,420th
520th
13th
2,446th
1,075th
635th
3,317th
3,724th
3,299th
423rd
3,864th
3,571st
485th
388th
1,972nd
2,481st
1,772nd
1,429th
1,251st
1,784th
Foo Fizz Buzz Bar
212th
632nd
326th
316th
1,005th
698th
700th
670th
378th
1,180th
1,375th
689th
406th
152nd
672nd
725th
1,369th
99th
567th
580th
2nd
87th
515th
1,114th
206th
344th
Forsyth–Edwards Notation
42nd
100th
69th
111th
122nd
66th
113th
191st
13th
130th
83rd
148th
28th
167th
Fractions
250th
327th
704th
256th
200th
345th
442nd
395th
517th
619th
374th
298th
84th
95th
465th
9th
232nd
Game of Life
303rd
73rd
22nd
227th
Gijswijt’s Sequence
49th
94th
99th
170th
197th
44th
82nd
50th
69th
79th
149th
111th
88th
23rd
5th
110th
87th
55th
Happy Numbers
574th
831st
611th
729th
816th
754th
194th
621st
603rd
275th
142nd
90th
744th
449th
1,357th
290th
727th
624th
239th
634th
672nd
527th
762nd
749th
111th
319th
27th
311th
884th
1,009th
1,244th
224th
176th
Happy Numbers (Long)
75th
194th
234th
565th
51st
607th
205th
143rd
285th
114th
294th
103rd
220th
2nd
102nd
430th
224th
649th
174th
39th
26th
470th
379th
200th
193rd
Hexdump
97th
249th
74th
61st
117th
217th
137th
114th
95th
21st
43rd
291st
50th
Intersection
148th
169th
392nd
78th
276th
148th
177th
236th
141st
432nd
10th
16th
240th
69th
Inventory Sequence
11th
116th
268th
163rd
223rd
369th
304th
432nd
240th
181st
160th
424th
311th
155th
182nd
307th
289th
230th
52nd
271st
198th
227th
243rd
ISBN
5th
779th
443rd
599th
177th
354th
215th
288th
68th
234th
156th
225th
268th
367th
237th
6th
149th
262nd
480th
150th
254th
Jacobi Symbol
116th
214th
270th
86th
53rd
19th
126th
87th
202nd
283rd
274th
122nd
40th
93rd
312th
55th
Kolakoski Constant
5th
93rd
67th
181st
108th
107th
54th
59th
37th
Kolakoski Sequence
17th
313th
426th
799th
528th
409th
116th
481st
323rd
302nd
319th
307th
100th
237th
540th
199th
1st
305th
452nd
387th
154th
284th
279th
49th
72nd
371st
95th
306th
209th
Leap Years
76th
964th
1,638th
228th
1,852nd
514th
251st
532nd
93rd
369th
437th
172nd
265th
752nd
119th
206th
875th
719th
538th
29th
438th
360th
633rd
1,632nd
77th
322nd
9th
339th
291st
4th
963rd
990th
448th
1,018th
236th
Levenshtein Distance
376th
72nd
136th
97th
337th
365th
161st
329th
29th
518th
340th
306th
42nd
522nd
Leyland Numbers
274th
507th
340th
504th
116th
121st
244th
281st
246th
187th
104th
163rd
464th
170th
4th
156th
460th
148th
ln 2
104th
341st
97th
210th
196th
164th
208th
215th
3rd
114th
21st
255th
64th
179th
Look and Say
115th
184th
397th
550th
296th
173rd
182nd
217th
442nd
189th
166th
36th
120th
251st
197th
45th
259th
305th
54th
264th
29th
230th
194th
Lucky Numbers
33rd
149th
74th
119th
130th
49th
170th
104th
116th
147th
110th
179th
38th
134th
214th
60th
101st
111th
204th
251st
237th
145th
5th
39th
180th
124th
120th
Lucky Tickets
100th
91st
202nd
113th
132nd
101st
71st
69th
150th
58th
6th
24th
186th
53rd
Mahjong
10th
Maze
48th
Medal Tally
86th
249th
259th
67th
83rd
72nd
66th
93rd
138th
252nd
7th
190th
135th
Morse Decoder
19th
233rd
210th
239th
54th
50th
177th
88th
107th
48th
24th
185th
42nd
Morse Encoder
32nd
382nd
253rd
78th
68th
107th
114th
25th
272nd
Musical Chords
161st
N Queens
16th
Niven Numbers
158th
1,387th
239th
907th
474th
1,711th
551st
681st
771st
885th
372nd
214th
749th
656th
949th
583rd
1,816th
1,078th
710th
1,290th
241st
2,384th
1,045th
967th
401st
47th
862nd
363rd
261st
433rd
833rd
976th
152nd
487th
392nd
665th
163rd
32nd
1,836th
1,326th
342nd
720th
645th
1,030th
564th
1,485th
Niven Numbers (Long)
591st
1,156th
1,071st
389th
395th
407th
220th
479th
139th
100th
944th
282nd
427th
262nd
441st
664th
600th
705th
635th
311th
252nd
504th
197th
118th
2nd
472nd
399th
496th
530th
806th
365th
23rd
13th
973rd
49th
299th
377th
274th
649th
894th
763rd
Number Spiral
395th
152nd
212th
174th
19th
7th
415th
163rd
23rd
239th
Odious Numbers
1,590th
255th
1,430th
425th
959th
320th
504th
770th
217th
927th
742nd
1,762nd
334th
655th
860th
923rd
1,871st
102nd
1,222nd
193rd
1st
526th
595th
497th
732nd
838th
441st
1,552nd
378th
33rd
143rd
1,704th
1,005th
844th
1,856th
1,648th
950th
616th
Odious Numbers (Long)
711th
210th
426th
619th
305th
450th
153rd
430th
873rd
228th
421st
719th
414th
574th
631st
85th
851st
167th
1st
342nd
493rd
613th
499th
706th
763rd
607th
330th
31st
104th
1,184th
561st
632nd
374th
671st
413th
Ordinal Numbers
126th
396th
904th
623rd
402nd
400th
448th
278th
276th
467th
697th
294th
75th
377th
171st
496th
387th
116th
609th
366th
128th
86th
607th
311th
2nd
223rd
505th
Pangram Grep
314th
998th
1,416th
413th
188th
839th
87th
310th
395th
196th
325th
458th
535th
3rd
328th
167th
448th
315th
15th
175th
148th
287th
470th
Pascal’s Triangle
92nd
272nd
1,610th
568th
359th
784th
573rd
363rd
527th
440th
1st
670th
222nd
120th
479th
342nd
266th
35th
44th
619th
286th
308th
613th
Pernicious Numbers
454th
455th
241st
618th
421st
1,347th
330th
274th
435th
708th
748th
179th
647th
598th
543rd
572nd
699th
804th
493rd
1st
1,124th
972nd
83rd
950th
514th
126th
538th
17th
244th
371st
688th
634th
158th
217th
107th
585th
24th
71st
973rd
299th
343rd
1,322nd
608th
411th
393rd
471st
819th
Pernicious Numbers (Long)
121st
337th
215th
231st
245th
49th
95th
453rd
29th
501st
274th
275th
340th
137th
12th
9th
696th
177th
386th
Poker
59th
Prime Numbers
240th
1,129th
1,289th
907th
1,887th
373rd
529th
847th
1,202nd
912th
493rd
205th
1,562nd
1,573rd
1,320th
248th
2,934th
1st
465th
124th
1st
273rd
1,257th
1,251st
231st
874th
442nd
88th
159th
872nd
919th
669th
1,351st
1,950th
701st
475th
Prime Numbers (Long)
224th
667th
682nd
783rd
392nd
416th
617th
466th
122nd
722nd
828th
950th
628th
1st
456th
694th
644th
1st
339th
405th
652nd
681st
493rd
80th
117th
1,029th
227th
303rd
509th
374th
Proximity Grid
198th
QR Decoder
89th
Quine
1st
1,523rd
216th
2,334th
2,624th
1,730th
3,460th
1,228th
3,319th
2,931st
2,384th
1,384th
1,557th
2,362nd
1,503rd
3,282nd
1,379th
526th
2,096th
1,437th
2,869th
1,015th
1,616th
500th
1,608th
1,335th
192nd
1,176th
1,036th
1,098th
1,424th
1,585th
1,484th
445th
2,411th
3,231st
1,541st
141st
490th
2,015th
387th
1,279th
2,610th
1,459th
1,802nd
1,450th
4,071st
2,014th
Recamán
40th
181st
364th
361st
48th
229th
179th
99th
244th
162nd
140th
25th
75th
107th
126th
294th
395th
133rd
212th
4th
14th
302nd
34th
157th
110th
Repeating Decimals
171st
78th
125th
53rd
77th
101st
67th
12th
1st
71st
75th
Reverse Polish Notation
99th
277th
495th
266th
80th
147th
1st
275th
465th
98th
146th
168th
126th
234th
49th
384th
479th
154th
Rijndael S-box
187th
49th
145th
58th
219th
150th
173rd
56th
Rock-paper-scissors-Spock-lizard
27th
739th
346th
70th
165th
86th
184th
180th
76th
34th
11th
546th
216th
Roman to Arabic
306th
691st
379th
35th
273rd
568th
294th
285th
239th
3rd
271st
324th
134th
Rule 110
65th
103rd
397th
228th
86th
125th
139th
92nd
151st
115th
525th
76th
38th
105th
24th
74th
Seven Segment
69th
185th
387th
343rd
67th
182nd
109th
61st
79th
117th
181st
248th
22nd
25th
59th
Sierpiński Triangle
23rd
314th
247th
275th
166th
132nd
157th
412th
248th
281st
161st
289th
244th
107th
4th
301st
Smith Numbers
26th
183rd
355th
107th
57th
38th
218th
9th
98th
87th
271st
84th
151st
29th
13th
95th
253rd
39th
Spelling Numbers
153rd
391st
162nd
169th
1st
417th
232nd
210th
146th
57th
118th
Star Wars Opening Crawl
203rd
15th
180th
Sudoku
37th
Sudoku v2
28th
Ten-pin Bowling
164th
181st
237th
48th
161st
90th
45th
75th
67th
180th
9th
Time Distance
301st
217th
29th
55th
240th
156th
145th
66th
85th
2nd
Tongue-twisters
668th
270th
190th
221st
100th
93rd
375th
136th
286th
42nd
United States
154th
357th
310th
155th
202nd
124th
313th
8th
267th
274th
Vampire Numbers
67th
249th
138th
62nd
169th
106th
281st
184th
131st
28th
10th
125th
278th
61st
Van Eck Sequence
23rd
171st
297th
210th
82nd
227th
316th
187th
135th
225th
1st
454th
198th
52nd
189th
241st
356th
48th
66th
121st
8th
64th
225th
39th
184th
137th
Zodiac Signs
24th
112th
71st
96th
139th
99th
98th
83rd
251st
56th
γ
1st
λ
488th
237th
20th
π
215th
308th
462nd
350th
237th
169th
211th
383rd
396th
112th
197th
7th
76th
102nd
175th
210th
112th
91st
60th
312th
229th
270th
164th
τ
187th
279th
434th
314th
271st
140th
199th
352nd
362nd
155th
117th
7th
131st
188th
198th
77th
96th
46th
210th
217th
248th
138th
φ
188th
332nd
573rd
301st
266th
241st
315th
494th
173rd
136th
552nd
333rd
156th
440th
213th
276th
316th
36th
192nd
12th
7th
643rd
220th
292nd
√2
173rd
380th
425th
231st
306th
298th
342nd
543rd
176th
277th
316th
97th
487th
275th
308th
339th
73rd
184th
4th
93rd
835th
265th
166th
𝑒
268th
354th
981st
205th
240th
374th
292nd
600th
293rd
145th
318th
16th
184th
200th
335th
401st
156th
190th
56th
115th
316th
119th
223rd