12 Days of Christmas
2,875th
776th
265th
623rd
705th
272nd
287th
603rd
341st
267th
201st
54th
99 Bottles of Beer
2,910th
895th
355th
755th
424th
1,338th
545th
728th
692nd
255th
966th
589th
Abundant Numbers
2,198th
2,967th
700th
281st
1,261st
226th
678th
470th
500th
887th
489th
236th
340th
836th
Abundant Numbers (Long)
1,498th
1,523rd
204th
56th
524th
369th
435th
315th
562nd
962nd
395th
329th
174th
150th
Arabic to Roman
589th
288th
392nd
280th
452nd
360th
2nd
685th
293rd
286th
354th
249th
Arithmetic Numbers
960th
996th
353rd
196th
517th
369th
265th
212th
297th
424th
598th
604th
830th
58th
492nd
371st
316th
Arrows
170th
222nd
303rd
306th
221st
197th
99th
310th
240th
64th
173rd
210th
255th
Ascending Primes
587th
213th
193rd
200th
207th
149th
152nd
179th
137th
280th
172nd
197th
117th
178th
ASCII Table
794th
1,079th
265th
155th
293rd
949th
277th
400th
427th
656th
644th
358th
263rd
347th
brainfuck
51st
227th
144th
279th
167th
135th
103rd
244th
99th
90th
Catalan Numbers
772nd
1,127th
285th
257th
527th
774th
434th
332nd
108th
381st
400th
34th
92nd
756th
467th
Catalan’s Constant
591st
167th
194th
156th
521st
308th
311th
164th
3rd
543rd
188th
227th
458th
510th
Christmas Trees
2,105th
1,016th
111th
782nd
628th
544th
488th
669th
120th
155th
581st
403rd
Collatz
1,772nd
2,141st
639th
181st
957th
343rd
913th
629th
223rd
9th
1,060th
86th
635th
532nd
579th
CSS Colors
352nd
207th
214th
210th
314th
337th
350th
22nd
107th
137th
305th
204th
Cubes
1,005th
470th
266th
87th
48th
145th
178th
338th
222nd
113th
108th
Day of Week
239th
396th
369th
557th
264th
470th
93rd
532nd
157th
523rd
257th
664th
499th
466th
DFA Simulator
203rd
36th
149th
139th
188th
136th
201st
96th
114th
172nd
119th
Diamonds
1,454th
567th
139th
391st
272nd
569th
335th
514th
427th
282nd
535th
200th
Divisors
3,984th
4,236th
1,645th
1,531st
738th
2,039th
2,337th
919th
1,143rd
1,307th
2,095th
22nd
338th
481st
929th
Emirp Numbers
170th
1,123rd
92nd
389th
392nd
552nd
163rd
303rd
495th
1,029th
63rd
227th
27th
427th
221st
Emirp Numbers (Long)
786th
856th
558th
229th
628th
365th
449th
475th
243rd
118th
212th
304th
Emojify
345th
149th
130th
152nd
100th
106th
162nd
139th
120th
134th
116th
128th
Evil Numbers
2,634th
2,983rd
371st
325th
275th
522nd
1,354th
414th
1,739th
331st
337th
395th
1,006th
1,899th
35th
304th
386th
319th
Evil Numbers (Long)
1,608th
1,672nd
480th
218th
192nd
342nd
860th
317th
1,010th
286th
291st
677th
580th
908th
31st
615th
549th
281st
Factorial Factorisation
370th
124th
133rd
182nd
191st
154th
158th
87th
129th
195th
142nd
122nd
109th
Farey Sequence
732nd
129th
109th
283rd
259th
222nd
244th
37th
299th
330th
176th
Fibonacci
3,803rd
6,847th
513th
695th
285th
1,487th
2,028th
588th
655th
143rd
1,676th
2,980th
2,751st
30th
823rd
2,205th
5,131st
690th
Fizz Buzz
10,116th
2,396th
3,635th
2,710th
2,356th
3,801st
1,032nd
104th
507th
17th
46th
449th
2,814th
3,745th
Foo Fizz Buzz Bar
2,196th
1,274th
855th
527th
958th
1,278th
521st
706th
228th
191st
10th
950th
1,061st
1,045th
Forsyth–Edwards Notation
287th
168th
169th
306th
270th
175th
218th
309th
213th
303rd
Fractions
600th
276th
464th
602nd
248th
351st
825th
91st
9th
658th
468th
Game of Life
28th
53rd
201st
96th
169th
159th
63rd
81st
187th
144th
Gijswijt’s Sequence
441st
532nd
343rd
270th
258th
107th
264th
308th
365th
215th
245th
256th
Happy Numbers
198th
1,567th
136th
126th
345th
328th
150th
235th
588th
570th
461st
163rd
28th
69th
276th
231st
Happy Numbers (Long)
1,208th
295th
75th
358th
404th
156th
366th
469th
813th
377th
373rd
324th
262nd
Hexdump
381st
464th
390th
209th
204th
356th
69th
239th
153rd
Intersection
382nd
179th
508th
521st
405th
187th
475th
551st
144th
692nd
171st
196th
Inventory Sequence
767th
172nd
202nd
349th
384th
141st
174th
240th
59th
305th
373rd
287th
ISBN
399th
468th
512th
235th
296th
137th
318th
257th
417th
432nd
229th
Jacobi Symbol
215th
307th
236th
357th
17th
172nd
188th
306th
154th
142nd
Kolakoski Constant
1,084th
74th
132nd
187th
302nd
319th
156th
144th
578th
41st
117th
94th
97th
Kolakoski Sequence
1,194th
344th
159th
90th
520th
348th
298th
174th
98th
208th
149th
186th
347th
Leap Years
3,147th
3,485th
549th
301st
1,140th
754th
2,451st
509th
260th
31st
323rd
1,455th
686th
1,046th
744th
979th
Levenshtein Distance
518th
81st
432nd
465th
486th
65th
142nd
3rd
468th
231st
Leyland Numbers
965th
406th
305th
646th
252nd
295th
434th
892nd
575th
19th
393rd
409th
301st
ln 2
456th
682nd
216th
162nd
249th
416th
347th
263rd
143rd
60th
584th
337th
21st
250th
339th
381st
Look and Say
1,263rd
704th
55th
556th
543rd
547th
359th
94th
476th
417th
Lucky Numbers
751st
343rd
214th
476th
384th
327th
246th
266th
109th
248th
385th
313th
Lucky Tickets
202nd
306th
363rd
249th
173rd
172nd
232nd
370th
210th
211th
Maze
157th
148th
139th
185th
146th
200th
198th
173rd
199th
Medal Tally
172nd
24th
163rd
173rd
149th
176th
27th
160th
169th
Morse Decoder
99th
39th
74th
53rd
44th
222nd
45th
70th
148th
176th
Morse Encoder
246th
165th
76th
244th
225th
183rd
203rd
254th
114th
Musical Chords
156th
123rd
141st
140th
135th
130th
261st
119th
111th
159th
131st
N Queens
38th
167th
55th
195th
Niven Numbers
2,394th
2,462nd
1,116th
286th
218th
671st
1,145th
747th
1st
519th
81st
405th
565th
334th
194th
814th
378th
478th
Niven Numbers (Long)
1,461st
627th
173rd
64th
571st
695th
327th
351st
234th
602nd
825th
121st
75th
364th
381st
Number Spiral
101st
874th
321st
251st
496th
358th
276th
278th
422nd
218th
343rd
340th
Odious Numbers
2,297th
2,516th
233rd
220th
211th
492nd
1,082nd
342nd
1,870th
273rd
186th
317th
843rd
1,956th
33rd
262nd
247th
304th
Odious Numbers (Long)
1,420th
1,492nd
195th
187th
154th
314th
735th
347th
1,068th
288th
169th
465th
782nd
988th
31st
667th
539th
226th
Ordinal Numbers
708th
135th
473rd
598th
558th
501st
40th
883rd
197th
75th
584th
3rd
449th
Pangram Grep
680th
283rd
1,084th
481st
991st
337th
928th
209th
315th
473rd
197th
Pascal’s Triangle
1,543rd
1,961st
415th
385th
996th
597th
301st
434th
697th
1,070th
242nd
94th
487th
306th
Pernicious Numbers
1,337th
1,889th
209th
293rd
195th
561st
818th
509th
1st
534th
114th
393rd
238th
95th
24th
158th
362nd
318th
Pernicious Numbers (Long)
771st
1,017th
134th
64th
654th
297th
433rd
314th
200th
597th
415th
9th
75th
183rd
155th
Poker
107th
66th
132nd
121st
149th
113th
118th
68th
59th
158th
86th
Prime Numbers
2,951st
2,824th
1,249th
396th
628th
1,210th
1,015th
397th
1st
350th
255th
462nd
1,631st
1,376th
88th
175th
298th
439th
Prime Numbers (Long)
1,710th
1,899th
827th
494th
563rd
598th
706th
504th
1st
530th
136th
912th
78th
222nd
311th
386th
Proximity Grid
202nd
66th
12th
69th
103rd
147th
51st
49th
321st
41st
6th
130th
101st
QR Decoder
165th
177th
172nd
87th
154th
152nd
149th
169th
173rd
168th
Quine
1st
216th
1,223rd
2,814th
2,481st
2,576th
2,734th
1,329th
1,821st
2,958th
141st
387th
1,399th
2,671st
Recamán
1,154th
190th
401st
620th
566th
431st
170th
186th
43rd
98th
519th
303rd
Repeating Decimals
184th
228th
205th
243rd
222nd
248th
326th
164th
244th
Reverse Polish Notation
487th
763rd
625th
460th
551st
1st
274th
586th
212th
142nd
414th
416th
Rijndael S-box
672nd
177th
313th
183rd
253rd
162nd
174th
221st
216th
206th
297th
73rd
Rock-paper-scissors-Spock-lizard
521st
144th
185th
88th
111th
305th
310th
324th
83rd
35th
169th
112th
Roman to Arabic
174th
112th
258th
274th
228th
335th
478th
22nd
47th
221st
209th
Rule 110
1,011th
177th
67th
135th
263rd
270th
136th
165th
10th
207th
139th
Seven Segment
279th
329th
352nd
347th
269th
248th
252nd
188th
305th
289th
SI Units
92nd
63rd
17th
42nd
125th
35th
77th
128th
111th
126th
33rd
Sierpiński Triangle
1,187th
399th
282nd
426th
592nd
299th
356th
332nd
186th
486th
444th
Smith Numbers
693rd
168th
115th
157th
174th
166th
159th
129th
169th
135th
167th
Spelling Numbers
352nd
389th
266th
340th
434th
1st
540th
347th
316th
142nd
Star Wars Opening Crawl
158th
40th
165th
33rd
187th
244th
138th
111th
133rd
Sudoku
174th
47th
214th
135th
165th
111th
36th
178th
Sudoku v2
119th
62nd
116th
193rd
130th
148th
59th
171st
150th
Ten-pin Bowling
171st
141st
71st
135th
118th
147th
129th
172nd
155th
132nd
66th
Time Distance
100th
82nd
108th
117th
219th
150th
101st
132nd
283rd
96th
Tongue-twisters
922nd
823rd
301st
200th
271st
85th
299th
122nd
175th
53rd
197th
255th
158th
94th
171st
United States
294th
110th
116th
298th
214th
324th
153rd
67th
232nd
65th
Vampire Numbers
117th
593rd
226th
40th
121st
110th
105th
240th
158th
169th
479th
123rd
35th
254th
101st
Van Eck Sequence
967th
302nd
98th
452nd
297th
174th
246th
38th
202nd
326th
269th
Zodiac Signs
218th
32nd
215th
284th
240th
207th
265th
320th
175th
99th
180th
203rd
γ
346th
231st
225th
269th
198th
523rd
244th
305th
1st
241st
238th
110th
146th
λ
858th
332nd
240th
196th
348th
149th
786th
341st
96th
254th
193rd
74th
175th
π
1,573rd
329th
453rd
464th
589th
494th
474th
412th
23rd
1,243rd
348th
521st
538th
560th
τ
963rd
328th
429th
407th
501st
492nd
425th
379th
25th
830th
318th
454th
472nd
507th
φ
1,294th
368th
444th
518th
538th
299th
419th
310th
77th
29th
62nd
470th
378th
√2
1,501st
563rd
384th
764th
885th
233rd
256th
797th
116th
1,085th
32nd
475th
671st
738th
𝑒
1,373rd
315th
450th
456th
492nd
467th
470th
200th
15th
55th
471st
363rd
401st