12 Days of Christmas
21st
37th
379th
6th
99 Bottles of Beer
31st
24th
43rd
38th
84th
51st
6th
319th
4th
30th
Abundant Numbers
159th
117th
395th
211th
44th
73rd
101st
234th
275th
123rd
71st
220th
168th
235th
173rd
257th
175th
132nd
1st
76th
164th
110th
62nd
31st
11th
104th
213th
399th
338th
70th
98th
30th
203rd
27th
115th
45th
41st
107th
119th
213th
165th
161st
265th
Abundant Numbers (Long)
113th
131st
306th
172nd
91st
106th
73rd
260th
95th
56th
273rd
158th
249th
257th
368th
234th
200th
1st
74th
161st
133rd
108th
30th
11th
114th
170th
548th
461st
55th
70th
26th
67th
28th
52nd
118th
150th
228th
251st
194th
530th
Arabic to Roman
104th
38th
743rd
2nd
163rd
51st
98th
70th
Arithmetic Numbers
137th
54th
38th
4th
19th
Arrows
30th
34th
62nd
28th
42nd
60th
43rd
4th
27th
5th
15th
16th
Ascending Primes
30th
76th
42nd
53rd
34th
52nd
12th
27th
ASCII Table
129th
25th
148th
2nd
92nd
15th
brainfuck
32nd
87th
131st
77th
2nd
Catalan Numbers
1st
264th
172nd
257th
351st
365th
239th
301st
371st
10th
200th
295th
108th
147th
291st
225th
143rd
276th
34th
90th
92nd
278th
395th
405th
Catalan’s Constant
75th
56th
66th
60th
68th
85th
58th
3rd
54th
42nd
40th
Christmas Trees
151st
110th
37th
229th
87th
58th
221st
144th
88th
118th
8th
38th
94th
146th
252nd
62nd
43rd
102nd
7th
22nd
25th
300th
147th
Collatz
178th
149th
396th
249th
42nd
138th
134th
144th
156th
397th
259th
394th
586th
306th
28th
142nd
331st
176th
8th
310th
159th
314th
670th
140th
137th
83rd
3rd
303rd
205th
58th
321st
439th
340th
255th
CSS Colors
100th
36th
330th
98th
67th
1st
22nd
45th
335th
90th
Cubes
107th
96th
Day of Week
194th
185th
141st
311th
171st
395th
403rd
368th
343rd
375th
263rd
227th
93rd
243rd
411th
448th
155th
1st
567th
46th
160th
281st
131st
215th
399th
Diamonds
96th
64th
40th
33rd
111th
17th
37th
51st
87th
137th
23rd
41st
8th
65th
12th
95th
Divisors
1,976th
912th
739th
331st
643rd
636th
1,288th
1,465th
539th
557th
1,164th
778th
749th
758th
966th
739th
633rd
408th
1st
771st
640th
285th
808th
402nd
439th
709th
972nd
962nd
376th
529th
1,261st
22nd
465th
299th
338th
481st
929th
1,356th
951st
732nd
Emirp Numbers
167th
320th
255th
477th
50th
92nd
151st
253rd
265th
112th
122nd
302nd
244th
155th
221st
115th
352nd
252nd
160th
196th
346th
141st
25th
90th
109th
260th
308th
380th
182nd
62nd
63rd
189th
13th
209th
48th
27th
159th
284th
213th
336th
596th
207th
218th
387th
Emirp Numbers (Long)
30th
52nd
33rd
20th
37th
37th
13th
42nd
Emojify
32nd
40th
53rd
30th
25th
56th
42nd
19th
18th
203rd
52nd
295th
65th
4th
27th
13th
Evil Numbers
290th
1,015th
430th
296th
486th
568th
253rd
271st
301st
692nd
660th
329th
275th
611th
521st
577th
495th
451st
674th
408th
414th
28th
285th
134th
503rd
302nd
132nd
273rd
1st
436th
299th
395th
697th
611th
259th
257th
158th
512th
35th
450th
254th
156th
288th
624th
610th
319th
511th
840th
434th
497th
742nd
Evil Numbers (Long)
420th
246th
401st
355th
178th
218th
227th
416th
204th
192nd
431st
341st
446th
482nd
268th
466th
321st
316th
24th
241st
59th
435th
285th
75th
202nd
1st
376th
238th
339th
445th
438th
190th
223rd
171st
364th
31st
321st
175th
83rd
419th
489th
280th
402nd
360th
364th
483rd
Farey Sequence
101st
268th
85th
93rd
48th
149th
121st
146th
165th
27th
83rd
7th
23rd
Fibonacci
137th
2,808th
1,745th
280th
1,503rd
1,552nd
261st
325th
730th
1,691st
1,944th
728th
285th
1,654th
1,487th
1,696th
887th
1,544th
1,525th
1,420th
588th
1st
298th
1,670th
470th
143rd
355th
1,471st
1,428th
388th
686th
1,870th
1,647th
274th
276th
268th
1,615th
30th
690th
243rd
1,859th
256th
492nd
1,625th
1,628th
1,701st
797th
1,782nd
1,532nd
1,737th
Fizz Buzz
4,396th
5,974th
1,244th
555th
2,137th
1,300th
536th
563rd
1,156th
1,910th
1,274th
991st
1,908th
1,758th
1,811th
1,451st
3,108th
1,257th
1st
1,177th
1,761st
1,032nd
104th
1,030th
1,453rd
986th
1,175th
2,392nd
3,377th
100th
507th
17th
3,910th
46th
1,730th
91st
449th
1,151st
1,814th
1,148th
1,892nd
2,649th
3,140th
1,765th
Foo Fizz Buzz Bar
318th
394th
247th
399th
458th
337th
430th
285th
335th
215th
351st
171st
228th
191st
859th
10th
161st
313th
368th
Forsyth–Edwards Notation
108th
33rd
21st
3rd
16th
7th
10th
Fractions
203rd
116th
350th
140th
133rd
225th
330th
192nd
143rd
79th
123rd
169th
219th
73rd
84th
9th
250th
Game of Life
537th
90th
24th
Gijswijt’s Sequence
100th
22nd
21st
56th
37th
60th
18th
39th
111th
5th
31st
6th
12th
15th
Happy Numbers
198th
204th
324th
604th
99th
136th
253rd
325th
366th
140th
126th
363rd
345th
269th
287th
156th
344th
328th
150th
21st
181st
259th
235th
61st
102nd
1st
174th
249th
381st
442nd
502nd
123rd
97th
216th
28th
283rd
385th
69th
193rd
340th
231st
574th
653rd
204th
296th
468th
Happy Numbers (Long)
107th
322nd
306th
63rd
99th
98th
75th
228th
190th
217th
332nd
404th
156th
21st
231st
167th
45th
65th
1st
434th
204th
300th
120th
29th
139th
225th
52nd
178th
206th
194th
224th
175th
Hexdump
47th
83rd
2nd
26th
Intersection
70th
12th
79th
25th
Inventory Sequence
34th
46th
131st
41st
71st
68th
49th
28th
149th
168th
141st
1st
85th
135th
117th
77th
53rd
87th
129th
201st
379th
29th
43rd
17th
89th
112th
120th
ISBN
36th
60th
112th
122nd
96th
10th
111th
109th
193rd
7th
14th
17th
229th
Jacobi Symbol
95th
17th
58th
76th
Kolakoski Constant
104th
41st
14th
Kolakoski Sequence
17th
204th
56th
349th
49th
118th
124th
603rd
303rd
90th
252nd
194th
165th
76th
23rd
125th
33rd
112th
1st
132nd
202nd
385th
129th
258th
106th
43rd
139th
145th
180th
Leap Years
781st
848th
298th
183rd
95th
127th
179th
516th
2,484th
165th
96th
398th
293rd
256th
248th
282nd
496th
175th
239th
1st
136th
546th
162nd
31st
108th
7th
478th
115th
156th
476th
377th
83rd
113th
11th
378th
29th
159th
77th
92nd
145th
846th
151st
312th
181st
241st
576th
Levenshtein Distance
366th
123rd
81st
161st
148th
65th
39th
78th
3rd
152nd
Leyland Numbers
124th
170th
1st
201st
217th
95th
19th
103rd
106th
ln 2
152nd
98th
146th
163rd
139th
148th
168th
90th
60th
3rd
88th
204th
21st
86th
80th
Look and Say
789th
79th
55th
157th
26th
80th
7th
20th
111th
104th
36th
177th
Lucky Numbers
100th
64th
97th
123rd
27th
66th
141st
155th
58th
53rd
4th
25th
Lucky Tickets
45th
148th
105th
29th
76th
9th
36th
111th
Maze
88th
60th
Medal Tally
69th
45th
Morse Decoder
24th
12th
2nd
N Queens
10th
3rd
9th
Niven Numbers
55th
1,660th
559th
627th
831st
497th
180th
286th
510th
916th
1,021st
345th
218th
873rd
671st
713th
657th
629th
1,001st
713th
747th
1st
266th
583rd
519th
81st
233rd
1,311th
1,399th
314th
405th
967th
954th
171st
247th
60th
727th
30th
403rd
66th
177th
378th
853rd
478th
702nd
1,527th
595th
640th
1,059th
Niven Numbers (Long)
207th
319th
390th
258th
154th
173rd
198th
465th
157th
64th
459th
325th
472nd
362nd
285th
497th
442nd
327th
12th
213th
260th
295th
107th
133rd
194th
283rd
488th
495th
57th
166th
119th
390th
44th
225th
34th
75th
272nd
539th
267th
310th
349th
281st
556th
Number Spiral
33rd
51st
26th
63rd
Odious Numbers
210th
1,295th
402nd
243rd
489th
509th
175th
220th
272nd
572nd
595th
281st
211th
550th
491st
534th
482nd
394th
577th
419th
341st
26th
228th
102nd
411th
273rd
133rd
226th
1st
424th
231st
317th
585th
529th
182nd
184th
147th
454th
33rd
410th
148th
143rd
247th
556th
551st
304th
816th
851st
403rd
482nd
642nd
Odious Numbers (Long)
396th
212th
395th
297th
147th
187th
203rd
391st
166th
154th
422nd
313th
425th
491st
233rd
439th
351st
346th
24th
221st
85th
412th
287th
104th
164th
1st
302nd
192nd
325th
427th
417th
145th
167th
139th
359th
31st
217th
257th
113th
426th
466th
226th
381st
355th
359th
455th
Ordinal Numbers
341st
382nd
135th
423rd
40th
154th
122nd
197th
86th
75th
98th
3rd
Pangram Grep
134th
283rd
118th
382nd
1st
140th
306th
51st
103rd
322nd
176th
1,407th
421st
31st
46th
47th
197th
Pascal’s Triangle
216th
371st
349th
132nd
191st
233rd
394th
288th
298th
392nd
411th
377th
398th
542nd
291st
1st
404th
237th
146th
144th
1st
207th
321st
427th
134th
218th
129th
128th
354th
35th
197th
70th
94th
231st
306th
386th
334th
357th
Pernicious Numbers
988th
475th
270th
636th
441st
209th
293rd
455th
693rd
747th
342nd
195th
669th
561st
618th
581st
603rd
713th
737th
509th
1st
71st
556th
534th
114th
258th
17th
559th
273rd
393rd
721st
656th
174th
238th
95th
594th
24th
532nd
144th
158th
362nd
828th
651st
318th
431st
1,030th
413th
491st
738th
Pernicious Numbers (Long)
288th
166th
228th
167th
91st
134th
170th
216th
82nd
64th
238th
195th
235th
245th
97th
269th
176th
222nd
39th
217th
200th
59th
89th
4th
127th
230th
248th
315th
79th
115th
272nd
176th
9th
173rd
36th
75th
183rd
275th
155th
211th
193rd
209th
282nd
Prime Numbers
252nd
524th
785th
651st
766th
194th
291st
304th
728th
741st
412th
393rd
649th
571st
607th
503rd
219th
849th
950th
397th
172nd
260th
1st
553rd
293rd
124th
296th
1st
537th
276th
462nd
812th
968th
243rd
790th
237th
515th
88th
408th
159th
175th
298th
652nd
1,468th
439th
648th
1,594th
526th
1,734th
563rd
1,783rd
Prime Numbers (Long)
244th
379th
509th
441st
283rd
276th
262nd
668th
298th
336th
510th
413th
506th
556th
118th
553rd
483rd
382nd
115th
289th
1st
471st
337th
136th
399th
1st
688th
350th
415th
526th
683rd
349th
514th
247th
421st
78th
285th
571st
222nd
311th
580th
670th
468th
386th
666th
Proximity Grid
46th
23rd
93rd
QR Decoder
43rd
Quine
1st
1,519th
215th
1,609th
1,689th
1,724th
3,333rd
1,222nd
1,367th
2,322nd
1,373rd
1,553rd
2,162nd
1,500th
3,248th
2,556th
520th
2,089th
1,324th
129th
1,009th
499th
1,328th
191st
1,170th
1st
1,030th
1,092nd
1,418th
1,581st
1,478th
444th
2,421st
3,230th
1,537th
141st
1,435th
489th
386th
1,273rd
2,608th
1,453rd
1,796th
1,444th
122nd
1,707th
Recamán
114th
201st
125th
106th
76th
145th
30th
73rd
92nd
140th
10th
98th
Repeating Decimals
41st
20th
1st
38th
Reverse Polish Notation
122nd
179th
1st
52nd
150th
44th
61st
Rijndael S-box
1st
93rd
38th
Rock-paper-scissors-Spock-lizard
20th
13th
6th
2nd
Roman to Arabic
117th
106th
173rd
182nd
111th
166th
288th
8th
177th
139th
152nd
45th
105th
159th
188th
119th
70th
151st
95th
22nd
41st
103rd
47th
Rule 110
56th
41st
111th
31st
52nd
5th
65th
10th
104th
Seven Segment
166th
49th
26th
12th
22nd
62nd
3rd
13th
15th
Sierpiński Triangle
72nd
57th
30th
82nd
85th
111th
34th
132nd
126th
108th
5th
91st
14th
36th
52nd
164th
47th
21st
142nd
66th
Smith Numbers
21st
3rd
11th
Spelling Numbers
76th
78th
1st
56th
89th
Star Wars Opening Crawl
30th
12th
Sudoku
148th
123rd
Sudoku v2
36th
34th
Time Distance
15th
13th
5th
Tongue-twisters
248th
64th
60th
141st
43rd
143rd
41st
78th
United States
115th
49th
2nd
Vampire Numbers
33rd
569th
595th
60th
82nd
Van Eck Sequence
223rd
67th
95th
113th
91st
244th
198th
150th
174th
1st
101st
156th
31st
90th
105th
159th
188th
76th
8th
262nd
46th
152nd
Zodiac Signs
84th
38th
12th
9th
14th
γ
51st
45th
1st
38th
48th
204th
λ
30th
264th
22nd
11th
1,050th
π
120th
121st
215th
146th
168th
173rd
4th
138th
71st
23rd
85th
147th
83rd
178th
63rd
80th
70th
205th
τ
142nd
95th
199th
140th
167th
173rd
4th
170th
71st
25th
91st
97th
166th
54th
63rd
56th
206th
φ
234th
162nd
209th
333rd
277th
235th
242nd
299th
126th
192nd
126th
246th
111th
77th
228th
12th
248th
29th
7th
62nd
155th
360th
√2
227th
173rd
215th
335th
310th
254th
232nd
233rd
148th
204th
2nd
256th
149th
116th
11th
286th
32nd
101st
108th
163rd
293rd
𝑒
219th
177th
286th
252nd
270th
214th
221st
241st
157th
318th
1st
245th
124th
15th
205th
159th
250th
235th
55th
175th
118th
236th