12 Days of Christmas
29th
219th
261st
60th
24 Game
13th
18th
75th
74th
127th
26th
9th
11th
61st
99 Bottles of Beer
979th
84th
494th
135th
167th
Abundant Numbers
409th
1,019th
822nd
1,128th
240th
769th
630th
295th
717th
365th
1,581st
1,006th
2,099th
804th
508th
45th
279th
281st
17th
79th
1,113th
2,095th
272nd
233rd
1,230th
383rd
325th
151st
558th
75th
373rd
1,274th
595th
947th
Abundant Numbers (Long)
626th
273rd
670th
244th
604th
231st
221st
53rd
207th
326th
398th
562nd
390th
355th
584th
68th
163rd
313th
289th
26th
4th
776th
184th
351st
600th
981st
482nd
534th
745th
46th
407th
90th
328th
118th
151st
663rd
262nd
Arabic to Roman
93rd
457th
193rd
151st
46th
116th
158th
3rd
173rd
185th
161st
339th
351st
118th
215th
260th
123rd
144th
Arithmetic Numbers
297th
81st
181st
63rd
229th
89th
102nd
167th
93rd
137th
294th
20th
177th
390th
245th
Arrows
78th
212th
216th
167th
334th
129th
158th
75th
93rd
34th
340th
312th
Ascending Primes
59th
78th
93rd
99th
129th
38th
124th
107th
120th
161st
142nd
96th
31st
7th
101st
12th
162nd
ASCII Table
163rd
61st
182nd
124th
13th
122nd
38th
56th
93rd
214th
394th
75th
142nd
2nd
46th
28th
brainfuck
107th
452nd
290th
320th
32nd
20th
Catalan Numbers
253rd
400th
355th
300th
232nd
416th
514th
372nd
279th
268th
181st
151st
321st
101st
141st
500th
295th
350th
29th
593rd
429th
85th
378th
Catalan’s Constant
234th
86th
108th
2nd
121st
114th
456th
Christmas Trees
194th
228th
72nd
374th
186th
5th
69th
162nd
41st
208th
113th
360th
81st
185th
356th
115th
Collatz
336th
725th
359th
198th
573rd
353rd
290th
295th
280th
492nd
579th
770th
166th
267th
4th
488th
702nd
272nd
259th
731st
421st
454th
54th
238th
162nd
754th
229th
425th
584th
879th
CSS Colors
240th
105th
178th
164th
162nd
81st
50th
114th
2nd
19th
209th
43rd
127th
96th
141st
150th
Cubes
287th
75th
268th
260th
115th
Day of Week
168th
365th
157th
342nd
152nd
374th
372nd
300th
279th
344th
221st
230th
456th
377th
199th
67th
761st
265th
214th
394th
345th
293rd
1st
450th
46th
143rd
271st
104th
433rd
190th
DFA Simulator
12th
24th
17th
29th
Diamonds
229th
174th
157th
376th
57th
247th
68th
114th
120th
176th
13th
89th
67th
119th
330th
106th
100th
45th
117th
265th
80th
Divisors
992nd
2,024th
743rd
654th
855th
141st
1,003rd
807th
576th
313th
694th
664th
673rd
2,343rd
826th
837th
174th
2,240th
686th
249th
104th
1,748th
156th
208th
729th
1,143rd
1,092nd
895th
1,333rd
1,155th
29th
235th
986th
2,239th
771st
256th
752nd
824th
764th
Emirp Numbers
734th
468th
179th
348th
402nd
81st
505th
299th
158th
552nd
339th
273rd
777th
102nd
219th
128th
39th
346th
611th
714th
142nd
489th
Emirp Numbers (Long)
303rd
267th
230th
90th
384th
95th
252nd
178th
146th
197th
219th
257th
260th
160th
365th
145th
36th
46th
Evil Numbers
1,612th
832nd
1,841st
674th
496th
436th
676th
1,154th
539th
969th
289th
926th
468th
961st
1,125th
407th
1,856th
588th
651st
135th
391st
402nd
273rd
268th
1st
418th
629th
329th
607th
521st
776th
508th
1,270th
455th
36th
955th
991st
1,703rd
317th
367th
554th
1,962nd
863rd
808th
870th
1,160th
450th
1,594thEvil Numbers (Long)
608th
553rd
309th
180th
205th
214th
385th
1,135th
497th
191st
439th
316th
511th
509th
251st
637th
299th
60th
413th
246th
79th
980th
1st
346th
359th
594th
764th
443rd
477th
334th
32nd
965th
930th
601st
263rd
376th
330th
529thFactorial Factorisation
67th
72nd
77th
112th
146th
79th
19th
8th
41st
6th
Farey Sequence
197th
78th
263rd
60th
92nd
112th
40th
124th
101st
348th
91st
145th
24th
110th
166th
84th
7th
116th
Fibonacci
3,432nd
1,749th
2,674th
1,908th
1,559th
261st
358th
710th
1,713th
2,369th
680th
344th
1,664th
1,449th
1,708th
2,356th
1,530th
1,523rd
3,192nd
591st
1st
317th
1,702nd
504th
154th
388th
1,489th
421st
1,687th
1,785th
2,193rd
1,557th
880th
1,438th
1,575th
39th
2,927th
31st
1,877th
837th
684th
2,015th
1,645th
1,715th
3,993rd
751st
3,449th
3,088thFizz Buzz
4,259th
827th
1,420th
1,136th
8,702nd
1,073rd
455th
646th
1,461st
1,418th
2,636th
1,562nd
1,486th
1,491st
1,964th
2,463rd
2,014th
4,075th
4,574th
1,176th
5,988th
6,787th
1,432nd
524th
13th
1,711th
3,942nd
1,085th
641st
3,190th
1,801st
3,755th
426th
4,539th
489th
1,147th
390th
3,909th
2,498th
1,574th
2,854th
669th
1,261st
1,691st
1,220th
Foo Fizz Buzz Bar
142nd
283rd
193rd
297th
1,015th
250th
298th
156th
458th
474th
1,120th
392nd
125th
182nd
153rd
203rd
131st
648th
198th
568th
1,121st
101st
931st
15th
140th
68th
742nd
94th
215th
350th
Forsyth–Edwards Notation
187th
56th
52nd
87th
69th
91st
159th
94th
193rd
140th
134th
13th
53rd
50th
152nd
75th
Fractions
192nd
173rd
168th
252nd
705th
353rd
393rd
185th
247th
369th
378th
124th
620th
495th
85th
215th
9th
Game of Life
72nd
179th
282nd
115th
124th
42nd
80th
173rd
128th
2nd
136th
85th
211th
38th
70th
210th
96th
33rd
87th
120th
50th
22nd
62nd
163rd
61st
Gijswijt’s Sequence
58th
Happy Numbers
134th
524th
721st
724th
672nd
477th
188th
256th
603rd
354th
145th
532nd
332nd
310th
260th
166th
291st
438th
44th
235th
277th
284th
184th
763rd
207th
838th
106th
80th
153rd
18th
181st
564th
220th
552nd
Happy Numbers (Long)
83rd
199th
288th
75th
262nd
213th
51st
273rd
178th
244th
274th
335th
138th
372nd
104th
246th
129th
32nd
91st
2nd
277th
436th
298th
650th
237th
61st
225th
347th
457th
519th
247th
276th
Hexdump
20th
106th
528th
4th
Intersection
95th
431st
164th
169th
79th
71st
48th
215th
86th
31st
142nd
113th
64th
108th
Inventory Sequence
186th
136th
206th
127th
191st
109th
162nd
159th
179th
208th
373rd
170th
234th
212th
137th
417th
172nd
102nd
235th
237th
220th
309th
168th
53rd
317th
339th
277th
116th
ISBN
86th
179th
274th
160th
534th
142nd
348th
138th
183rd
87th
22nd
79th
168th
278th
102nd
313th
258th
62nd
135th
96th
426th
Jacobi Symbol
19th
Kolakoski Constant
215th
132nd
51st
26th
175th
144th
Kolakoski Sequence
242nd
170th
401st
171st
315th
90th
116th
360th
322nd
359th
430th
579th
217th
100th
81st
203rd
124th
294th
1st
157th
331st
154th
284th
30th
582nd
95th
495th
403rd
Leap Years
739th
964th
229th
514th
545th
252nd
1,142nd
2,409th
683rd
94th
369th
279th
174th
542nd
266th
770th
207th
538th
424th
29th
222nd
1,426th
360th
633rd
1,429th
1,622nd
661st
322nd
292nd
748th
584th
448th
1,531st
445th
460th
1,472nd
705th
239th
Levenshtein Distance
186th
73rd
138th
209th
99th
182nd
327th
117th
210th
294th
30th
15th
146th
4th
123rd
Leyland Numbers
61st
274th
114th
202nd
281st
122nd
135th
421st
4th
433rd
255th
ln 2
97th
229th
132nd
196th
44th
3rd
21st
64th
Look and Say
232nd
338th
65th
236th
142nd
230th
262nd
144th
200th
46th
290th
114th
55th
106th
Lucky Numbers
160th
198th
231st
228th
250th
295th
16th
222nd
Lucky Tickets
114th
96th
97th
171st
Mahjong
26th
57th
Maze
82nd
Medal Tally
47th
46th
76th
134th
32nd
Morse Decoder
223rd
36th
27th
126th
74th
95th
Morse Encoder
46th
111th
57th
197th
53rd
100th
48th
120th
18th
90th
11th
214th
N Queens
146th
49th
81st
76th
150th
11th
Niven Numbers
1,963rd
794th
910th
474th
188th
675th
424th
1,390th
888th
372nd
214th
744th
586th
651st
952nd
829th
1,822nd
1,081st
537th
1,294th
241st
526th
401st
47th
202nd
1,233rd
1,320th
261st
433rd
836th
979th
153rd
487th
145th
660th
7th
778th
32nd
1,933rd
1,477th
351st
1,470th
1,739th
715th
640th
1,807th
1,033rd
567th
1,372ndNiven Numbers (Long)
326th
399th
172nd
222nd
311th
423rd
737th
376th
101st
415th
564th
650th
431st
260th
461st
668th
523rd
711th
180th
254th
468th
71st
119th
518th
762nd
476th
403rd
500th
534th
82nd
572nd
371st
89th
643rd
13th
983rd
38th
584th
381st
277th
904th
637thNumber Spiral
50th
37th
74th
371st
63rd
84th
47th
75th
142nd
72nd
132nd
120th
148th
Odious Numbers
1,647th
886th
1,425th
402nd
180th
420th
514th
1,002nd
496th
768th
217th
870th
407th
746th
1,184th
613th
1,683rd
382nd
620th
103rd
281st
270th
134th
188th
1st
342nd
518th
277th
489th
428th
956th
645th
1,555th
372nd
34th
962nd
751st
1,788th
466th
244th
468th
1,757th
761st
953rd
605th
999th
396th
1,427thOdious Numbers (Long)
943rd
448th
267th
149th
186th
201st
359th
982nd
451st
155th
430th
288th
478th
546th
227th
566th
316th
86th
379th
260th
108th
919th
1st
277th
341st
614th
497th
508th
763rd
329th
32nd
957th
846th
557th
222nd
668th
325th
480thOrdinal Numbers
361st
314th
305th
538th
275th
245th
158th
286th
393rd
404th
758th
347th
337th
33rd
217th
172nd
408th
116th
356th
128th
234th
86th
183rd
96th
2nd
223rd
Pangram Grep
343rd
362nd
450th
188th
498th
87th
271st
353rd
196th
106th
538th
46th
235th
80th
300th
135th
489th
459th
492nd
91st
344th
175th
148th
Pascal’s Triangle
267th
589th
283rd
94th
404th
406th
271st
399th
374th
240th
333rd
1st
521st
392nd
549th
1st
120th
459th
242nd
366th
576th
64th
106th
44th
620th
297th
688th
Pernicious Numbers
456th
946th
609th
441st
331st
275th
422nd
761st
700th
245th
180th
638th
559th
590th
546th
768th
691st
808th
494th
1st
1,169th
84th
392nd
515th
127th
210th
297th
882nd
255th
372nd
680th
625th
159th
218th
108th
576th
24th
670th
72nd
1,031st
300th
344th
858th
314th
412th
1,138th
394th
472nd
790thPernicious Numbers (Long)
628th
518th
560th
522nd
178th
329th
296th
588th
79th
49th
307th
452nd
322nd
407th
96th
455th
293rd
433rd
78th
419th
29th
502nd
212th
434th
87th
48th
382nd
603rd
220th
539th
309th
425th
347th
27th
204th
12th
317th
380th
236th
161st
132nd
186th
277thPrime Numbers
898th
625th
824th
1,032nd
1,164th
532nd
363rd
655th
496th
1,284th
208th
805th
252nd
1st
476th
524th
127th
1,321st
1st
277th
1,252nd
235th
440th
91st
1,282nd
162nd
902nd
923rd
549th
1,353rd
944th
1,297th
1,419th
462nd
Prime Numbers (Long)
875th
428th
749th
527th
567th
491st
873rd
298th
419th
595th
662nd
468th
124th
725th
417th
631st
1st
460th
579th
144th
513th
1st
342nd
408th
655th
82nd
1,379th
561st
230th
306th
646th
874th
377th
Proximity Grid
74th
30th
48th
63rd
82nd
40th
101st
58th
151st
20th
51st
11th
129th
15th
61st
4th
Quine
1st
1,530th
216th
2,790th
2,341st
1,739th
3,360th
1,234th
3,329th
4,009th
2,226th
2,517th
1,564th
2,352nd
1,510th
2,233rd
2,568th
528th
2,104th
1,708th
129th
1,021st
1,731st
501st
1,615th
1,341st
192nd
1,182nd
1st
1,042nd
1,104th
1,431st
1,592nd
1,491st
446th
2,419th
3,239th
1,548th
141st
3,766th
491st
1,982nd
388th
1,285th
2,618th
1,466th
2,680th
1,457th
4,085th
1,720thRecamán
210th
274th
82nd
204th
279th
183rd
351st
43rd
391st
106th
238th
35th
328th
292nd
Repeating Decimals
29th
24th
12th
4th
11th
Reverse Polish Notation
201st
309th
182nd
750th
202nd
80th
197th
1st
111th
63rd
114th
181st
126th
54th
442nd
154th
Rijndael S-box
17th
19th
92nd
57th
167th
83rd
53rd
90th
51st
33rd
311th
Rock-paper-scissors-Spock-lizard
60th
374th
136th
Roman to Arabic
164th
217th
62nd
76th
129th
182nd
232nd
35th
156th
237th
193rd
139th
172nd
116th
220th
81st
354th
174th
3rd
204th
160th
Rule 110
66th
35th
293rd
48th
193rd
77th
263rd
38th
24th
231st
Seven Segment
128th
235th
146th
66th
115th
63rd
125th
164th
168th
136th
193rd
112th
70th
69th
250th
99th
SI Units
86th
Sierpiński Triangle
68th
56th
75th
137th
80th
135th
163rd
98th
160th
93rd
180th
150th
142nd
11th
230th
192nd
33rd
107th
96th
181st
325th
199th
133rd
Smith Numbers
51st
373rd
82nd
67th
71st
Spelling Numbers
105th
1st
Sudoku
31st
201st
51st
101st
Sudoku v2
53rd
161st
26th
67th
15th
66th
9th
Ten-pin Bowling
53rd
203rd
90th
Time Distance
301st
17th
Tongue-twisters
412th
86th
148th
United States
295th
263rd
83rd
135th
97th
139th
69th
32nd
30th
122nd
211th
256th
171st
61st
8th
173rd
117th
Van Eck Sequence
224th
208th
77th
320th
25th
193rd
363rd
8th
323rd
Zodiac Signs
86th
42nd
154th
290th
188th
228th
61st
111th
10th
44th
56th
γ
347th
144th
185th
1st
145th
119th
190th
λ
250th
510th
128th
564th
π
179th
350th
287th
381st
404th
197th
7th
76th
112th
60th
τ
179th
314th
243rd
351st
117th
7th
112th
77th
46th
φ
312th
250th
165th
288th
383rd
526th
174th
136th
102nd
67th
217th
491st
36th
361st
12th
319th
53rd
√2
267th
152nd
325th
404th
198th
177th
229th
137th
97th
73rd
477th
4th
129th
𝑒
257th
171st
292nd
338th
310th
146th
126th
16th
157th
56th
120th