12 Days of Christmas
27th
470th
301st
19th
15th
24 Game
6th
110th
56th
4th
5th
99 Bottles of Beer
77th
230th
155th
38th
27th
Abundant Numbers
724th
423rd
199th
575th
1,107th
1,876th
45th
525th
499th81st231st
1,958th
336th
101st652nd
Abundant Numbers (Long)
1,026th
324th
73rd
1,635th
83rd
545th
770th3rd415th
1,263rd
62nd
456th382nd
Arabic to Roman
183rd17th253rd
66th
200th
120th2nd
292nd
98th
Arithmetic Numbers
65th
72nd
427th
1,235th
757th151st
3rd
27th
Arrows
18th
82nd
75th
6th
89th
Ascending Primes
51st
301st
229th
123rd
12th
29th
ASCII Table
22nd
56th
239th
2nd
72nd
Billiards
142nd
126th19th
12th
18th
21st
39th
7th
10th
brainfuck
1,141st
39th
113th
149th
17th
212th
Card Number Validation
66th
25th
121st
42nd
53rd
416th
3rd
49th
Catalan Numbers
505th828th
400th786th289th
822nd365th486th816th
515th
606th527th208th
131st1,475th
488th
1,383rd
452nd
30th
109th
587th
509th
Catalan’s Constant
142nd
59th
151st
153rd
3rd
125th
51st
167th
Christmas Trees
120th
82nd
126th
23rd
286th
Collatz
245th
221st
158th
4th
324th
167th
137th
CSS Colors
35th
125th
249th
169th
2nd
80th
56th
124th
Cubes
37th
344th
63rd
92nd
172nd
Day of Week
177th
462nd452nd
234th
360th
446th
346th
307th
557th96th
389th
368th
1st
60th
159th
DFA Simulator
10th
35th
204th
6th
47th
Diamonds
31st
230th
144th
2nd
260th
Divisors
1,199th2,403rd852nd
1,228th
688th2,334th394th
2,618th
928th
204th886th950th
1,105th1,636th
783rd263rd
1,098th1,113th2,249th
35th295th
954th312th1,389th
Emirp Numbers
438th652nd
310th137th
470th
111th
368th
500th531st385th861st
101st
180th
444th
245th874th
Emirp Numbers (Long)
32nd
195th
150th
83rd
13th
56th
Emojify
28th
38th
65th
4th
87th
Evil Numbers
2,344th
2,609th1,616th
650th711th850th545th
865th807th440th356th1,242nd582nd1,164th
479th3,209th
932nd810th1,668th1,568th1,727th179th
707th495th2,583rd2,343rd1st737th
43rd1,990th2,093rd204th1,152nd415th662nd
2,652nd
4,052nd
Evil Numbers (Long)
1,174th
710th728th
300th340th345th333rd
267th348th253rd575th371st
321st1,514th
567th1,087th1,021st
74th
401st281st
1,360th1st832nd
39th982nd1,563rd822nd619th428th
897th
Factorial Factorisation
61st
96th
92nd
23rd
51st
Farey Sequence
360th
80th501st
48th482nd109th
455th
181st
27th
190th
4th
382nd
207th
Fibonacci
2,573rd2,389th2,161st1,786th
722nd422nd628th4,091st2,999th3,790th2,990th2,414th368th1,804th1,095th2,676th2,742nd1,124th4,218th
2,601st767th1st2,965th390th
2,703rd463rd217th1,944th4,674th1,918th2,079th519th2,434th2,087th2,805th2,560th3,417th352nd1,769th54th4,273rd4,590th1,021st685th2,068th
896th
Fizz Buzz
4,721st2,094th1,488th
472nd1,970th722nd2,085th3,038th
711th1,129th1,191st1,736th
4,747th2,023rd
2,610th1,623rd5,103rd
1,216th7,309th1,822nd567th22nd678th1,548th
1,370th1,588th1,811th
4,141st491st415th
3rd1,149th1,534th2,629th1,857th1,841st
1,528th1,805th7,704th
1,911th
Foo Fizz Buzz Bar
349th975th
804th
115th
288th442nd
2,111th
308th1,326th
167th490th198th996th
418th
357th
1,924th127th371st
2nd274th1,284th164th
2,130th
Forsyth–Edwards Notation
59th
273rd
122nd
43rd
292nd
Fractions
136th
303rd
202nd
266th258th
277th
88th
10th
Game of Life
110th
151st
486th
163rd
58th
66th
Gijswijt’s Sequence
21st
124th
147th
10th
153rd
Happy Numbers
1,022nd
279th109th
76th
176th
434th
349th537th389th961st578th
562nd
413th142nd
6th
31st723rd
705th
1,939th
Happy Numbers (Long)
473rd
60th
62nd
504th
138th
45th342nd
24th
489th
Hexdump
14th
196th
79th
3rd
88th
Hilbert Curve
6th
138th
101st
11th
5th
Intersection
39th
238th
126th
11th
14th
Inventory Sequence
712th
65th
421st
153rd
292nd
38th
330th
ISBN
45th
417th
155th
8th
503rd
Jacobi Symbol
56th
194th
17th
136th
49th
207th
Kaprekar Numbers
129th
68th
23rd
144th
185th
6th
35th
19th
17th
Kolakoski Constant
164th
11th
111th
209th
77th
19th
89th
Kolakoski Sequence
75th
219th
102nd
1st463rd
25th
40th
Leap Years
1,102nd
653rd
508th1,632nd
988th1,730th108th
2,145th
211th
517th994th
350th
35th
524th
13th
185th
697th
1,400th
Levenshtein Distance
143rd
102nd185th
88th
349th
303rd
35th
3rd
20th
Leyland Numbers
79th
253rd
209th
4th
289th
ln 2
140th
239th
70th
228th
3rd
27th
66th
Look and Say
309th
66th
318th
276th
430th
178th
68th
Lucky Numbers
27th
428th
141st
11th
253rd
Lucky Tickets
71st
36th
177th
25th
107th
7th
174th
Mahjong
16th
105th
52nd
30th
22nd
Mandelbrot
34th
14th
26th
96th
102nd
80th
3rd
11th
Maze
39th
189th
190th
21st
8th
Medal Tally
25th
247th
55th
3rd
224th
Minesweeper
13th
48th
Morse Decoder
13th
40th
43rd
3rd
66th
Morse Encoder
35th
55th
101st
24th
6th
Musical Chords
21st
87th
30th
12th
81st
N Queens
51st
141st
46th
20th
110th
Niven Numbers
1,745th1,406th1,115th528th3,193rd236th886th423rd989th
1,230th367th1,781st266th866th676th764th1,176th1,027th2,204th1,342nd
658th1,656th1,629th307th
1,907th354th60th2,406th1,084th504th730th331st547th963rd1,265th1,481st1,205th2,166th
8th593rd43rd177th393rd1,143rd1,616th2,215th932nd745th
1,317th3,593rd699th2,249th
Niven Numbers (Long)
1,684th1,559th478th375th
685th212th716th758th
183rd1,301st137th1,220th730th1,575th438th375th1,552nd823rd
717th998th
850th
699th54th
155th2nd422nd643rd397th595th741st228th1,505th
33rd978th21st79th320th818th
726th368th849th
809th
1,173rd993rd
Number Spiral
139th
154th
120th
83rd
72nd
Odious Numbers
2,382nd
2,028th1,185th
407th650th678th619th
742nd486th339th229th1,204th443rd843rd
722nd2,685th
798th566th1,110th1,218th1,554th135th
507th368th2,031st1,970th1st640th
41st1,849th1,919th173rd968th540th545th
2,201st
Odious Numbers (Long)
1,521st
607th788th
528th316th468th310th
207th290th195th591st336th
271st1,363rd
480th861st958th
115th
399th226th
1,304th1st519th
39th1,172nd1,293rd771st640th463rd
873rd
Ordinal Numbers
826th
289th
135th
203rd
949th
44th
647th
255th
165th
236th
228th2nd
PalindromemordnilaP
178th
32nd
158th
264th
91st
50th
108th
130th
21st
9th
35th15th
Pangram Grep
685th
276th
114th
334th860th
1,479th
732nd
253rd
48th671st492nd
234th
662nd
1,306th
9th299th593rd421st666th
534th
Partition Numbers
140th322nd155th69th674th210th109th221st51st157th590th19th300th67th127th150th209th309th
295th159th84th119th123rd235th
171st130th38th
360th
82nd63rd90th153rd146th55th195th25th
6th79th
31st73rd310th
92nd102nd
96th
104th182nd
Pascal’s Triangle
697th
121st
485th
798th
193rd
1st
535th225th
87th354th
405th514th
49th137th595th409th
Pernicious Numbers
582nd1,268th765th539th2,509th254th355th512th865th1,213th1,022nd311th1,170th231st805th688th727th670th919th960th1,071st1,048th638th1st1,104th1,497th116th1,309th473rd165th1,277th750th436th735th331st488th850th823rd207th277th142nd
37th626th102nd202nd409th985th1,118th1,648th390th570th
876th2,755th604th1,301st
Pernicious Numbers (Long)
192nd
162nd258th270th277th633rd
109th596th65th357th246th464th413th129th942nd
396th327th107th404th609th1st639th249th75th
191st1st226th156th233rd325th
372nd
36th
272nd177th309th
Poker
10th
47th
68th
9th
30th
Polyominoes
72nd
121st
106th
55th
94th
Prime Numbers
1,264th2,117th
1,256th4,232nd
1,447th554th
895th393rd
462nd
569th
231st
1,131st1,902nd1,049th1,299th307th1st
162nd
1,786th1st628th359th1,569th
294th
112th
205th221st379th
660th
Prime Numbers (Long)
1,067th
842nd1,160th
388th
460th
156th
1,151st1,046th751st
1st
182nd
897th1st588th
103rd
797th306th424th
Proximity Grid
27th
120th
173rd
13th
116th
QR Decoder
44th
130th
206th
25th
78th
Quine
28th3,853rd252nd
1,337th
2,835th2,697th
2,518th1,242nd2,431st1,778th1,837th1,698th
2,958th1,495th
1,518th522nd2,060th1,117th1,847th2,575th1,398th224th1,732nd1,423rd
2,325th1,143rd2,809th1,788th1,618th468th
1,756th155th
1,106th1st3,271st1,895th
1,652nd
3,162nd
3,600th
2,394th
Recamán
59th
355th
200th
5th
458th
Repeating Decimals
37th
66th
92nd
13th
34th
Reverse Polish Notation
82nd
358th
89th
1st
200th
52nd
525th
Reversi
26th
35th
54th
42nd
5th
Rijndael S-box
226th
22nd
220th
229th
127th
49th
39th
Rock-paper-scissors-Spock-lizard
10th
148th
171st
3rd
242nd
Roman to Arabic
89th
111th
61st
372nd
18th2nd
253rd
ROT13
661st
106th
142nd
643rd
346th
552nd
46th
8th
92nd34th
Rule 110
21st
26th
439th
5th
12th
Scrambled Sort
53rd
139th
189th
24th
60th
Set
116th
36th
98th158th197th
133rd
66th
58th109th
5th
45th
Seven Segment
313th
18th
92nd
83rd
2nd
225th
SI Units
84th
19th
37th
110th
3rd
Sierpiński Triangle
930th127th
306th
582nd
6th
296th
Smith Numbers
93rd
126th
105th
35th
53rd
Spelling Numbers
59th1st238th
199th
100th
277th
Star Wars GPT
19th
41st
121st
105th
5th
40th
Star Wars Opening Crawl
22nd
37th
68th
23rd
43rd
Sudoku
39th
217th
62nd
25th
59th
Sudoku (Fill-in)
10th
159th
140th
11th
34th
Ten-pin Bowling
102nd
169th
233rd
99th
152nd
Tic-tac-toe
90th
67th
136th
32nd
81st
246th
43rd
74th57th
163rd
Time Distance
31st
144th
76th
29th
56th
Tongue-twisters
263rd48th
237th
41st
370th
31st382nd
27th
984th
Topological Sort
36th
20th
115th
19th
7th
Transpose Sentence
59th
98th
1st
198th
36th
66th
Trinomial Triangle
36th
115th
260th
81st
11th
61st
United States
225th
125th
139th
104th9th
234th
Vampire Numbers
16th
275th
202nd
35th
110th
Van Eck Sequence
92nd
348th
250th
13th
54th
Zeckendorf Representation
23rd
213th
198th
11th
32nd
Zodiac Signs
27th
87th
76th
7th
109th
γ
63rd
270th50th
137th
73rd91st
71st
1st
108th
46th
87th
λ
122nd
348th
125th
104th
195th
239th
π
309th
132nd
593rd
550th
560th800th
312th
7th
218th
145th
74th
303rd
τ
237th
138th
548th
508th
619th
251st
13th
200th
110th
57th
299th
φ
332nd
177th664th258th
718th
224th
124th
81st
292nd
44th
13th
67th
√2
392nd
193rd
360th
287th
215th
131st
266th
101st
4th
351st
𝑒
351st
198th
269th
168th
18th
328th
228th
66th
1,118th159th