12 Days of Christmas
32nd
293rd
16th
24 Game
7th
41st
4th
99 Bottles of Beer
73rd
144th
35th
Abundant Numbers
695th
431st
549th
1,078th
1,797th48th
486th
461st77th227th
1,879th
319th
Abundant Numbers (Long)
938th
294th
1,470th84th
500th
699th3rd424th
1,147th
58th
Arabic to Roman
167th14th
63rd
183rd
118th2nd
88th
Arithmetic Numbers
489th
396th
797th
116th
15th
Arrows
18th
70th
6th
Ascending Primes
42nd
203rd
113th
9th
ASCII Table
21st
221st
2nd
Billiards
108th
102nd15th
10th
14th
18th
33rd
5th
8th
brainfuck
1,055th
38th
148th
17th
Card Number Validation
59th
23rd
211th
39th
47th
375th
3rd
75th
Catalan Numbers
448th788th
355th700th
740th323rd
699th
469th
533rd187th
116th1,322nd
437th
1,225th
399th
32nd
95th
497th
452nd
Catalan’s Constant
138th
52nd
149th
2nd
121st
42nd
Christmas Trees
109th
144th
20th
Collatz
212th
206th
4th
347th
134th
527th
CSS Colors
30th
232nd
153rd
2nd
52nd
Cubes
32nd
62nd
88th
Day of Week
155th
400th
204th
618th
289th
307th
256th78th
366th
301st
1st
54th
765th
DFA Simulator
10th
161st
6th
Diamonds
29th
430th
241st
2nd
331st
Divisors
1,131st2,283rd807th
649th
361st
2,499th
853rd184th822nd
1,027th1,548th
795th231st
1,017th1,039th2,142nd
33rd263rd
900th276th
Emirp Numbers
422nd617th
219th125th
116th
354th
478th504th368th
94th
175th
713th
324th814th
Emirp Numbers (Long)
29th
126th
75th
12th
148th
Emojify
28th
63rd
4th
Evil Numbers
2,228th
2,463rd1,722nd
597th681st819th499th
645th795th467th803rd1,154th542nd1,114th
456th3,023rd
875th781st1,563rd1,623rd156th
581st415th2,420th2,209th1st747th
40th1,962nd1,973rd1,351st1,314th971st625th
2,492nd
3,783rd
Evil Numbers (Long)
1,043rd
637th748th
610th293rd574th280th
238th310th788th516th329th
286th1,351st
509th963rd
68th
425th250th
1,203rd1st780th
36th872nd1,388th976th622nd816th
807th
Factorial Factorisation
47th
146th
23rd
Farey Sequence
325th
70th
44th
28th
161st
6th
Fibonacci
2,458th2,263rd2,056th1,692nd
652nd378th552nd4,034th3,476th3,475th2,849th2,269th2,569th1,782nd1,045th
1,069th4,082nd
2,581st691st1st348th
601st191st1,820th4,486th
2,008th452nd2,365th2,013th2,754th2,446th3,258th314th1,675th52nd4,113th4,414th966th808th1,974th
841st
Fizz Buzz
4,853rd2,337th1,565th
444th533rd753rd2,334th
850th
1,923rd
4,896th2,271st
2,963rd1,813th5,227th1,361st7,160th
619th18th814th1,684th
1,696th1,733rd2,061st
4,298th462nd389th
3rd1,283rd1,670th2,874th2,120th
1,646th2,054th
2,207th
Foo Fizz Buzz Bar
314th881st
430th
99th
427th
1,931st
293rd889th
244th476th172nd966th
394th
323rd
1,782nd113th332nd
2nd185th1,249th
1,950th
Forsyth–Edwards Notation
41st
117th
43rd
Fractions
124th
193rd
252nd238th
268th
83rd
9th
Game of Life
106th
428th
119th
46th
Gijswijt’s Sequence
20th
170th
10th
Happy Numbers
946th
234th96th
893rd
172nd
401st
329th512th363rd539th
518th
130th
6th
1,051st672nd
660th
1,806th
Happy Numbers (Long)
441st
55th
460th123rd
319th
23rd
938th
Hexdump
13th
129th
3rd
Intersection
35th
282nd
12th
Inventory Sequence
66th
479th
30th
ISBN
41st
169th
7th
Jacobi Symbol
53rd
18th
159th
48th
Kaprekar Numbers
119th
14th
23rd
180th
4th
31st
20th
Kolakoski Constant
159th
12th
196th
82nd
3rd
Kolakoski Sequence
90th
442nd
23rd
600th
Leap Years
1,104th
616th
473rd
979th
2,099th
201st
479th
31st
511th
1,858th
171st
665th
Levenshtein Distance
78th
84th176th
120th
327th
349th
29th
4th
16th
Leyland Numbers
69th
207th
4th
ln 2
119th
62nd
202nd
3rd
26th
Look and Say
279th
291st
176th
387th
162nd
Lucky Numbers
24th
130th
9th
Lucky Tickets
67th
36th
23rd
99th
7th
Mahjong
60th
52nd
42nd
Maze
37th
169th
22nd
Medal Tally
26th
96th
5th
Morse Decoder
11th
133rd
5th
Morse Encoder
32nd
114th
22nd
Musical Chords
20th
28th
12th
N Queens
41st
50th
20th
Niven Numbers
1,583rd1,259th1,032nd526th2,887th930th786th1,108th880th
1,010th312th1,482nd644th824th629th686th1,095th908th2,008th1,197th
616th1,490th268th
2,337th454th54th2,175th971st1,610th773rd290th489th918th1,152nd1,328th1,080th1,947th
8th514th38th1,699th333rd1,989th1,450th1,989th842nd674th1,181st3,244th656th1,621st
Niven Numbers (Long)
1,521st1,408th537th317th
600th184th629th661st
164th1,169th202nd1,105th649th1,426th389th317th1,424th729th
631st880th741st
582nd46th
136th817th354th569th336th528th718th197th1,351st
29th857th18th60th294th1,284th
611th331st740th714th
1,093rd863rd
Number Spiral
131st
157th
76th
Odious Numbers
2,193rd
1,876th1,168th
376th614th656th586th
564th467th304th968th1,100th414th776th
694th2,488th
731st518th1,006th1,415th119th
333rd346th1,879th1,813th1st636th
38th1,735th1,774th1,669th923rd1,123rd499th
2,029th
Odious Numbers (Long)
1,337th
555th796th
467th288th323rd282nd
188th261st731st539th310th
254th1,218th
427th750th
101st
412th203rd
1,149th1st486th
36th1,043rd1,140th883rd610th858th
774th
Ordinal Numbers
790th
260th
125th
898th
39th
608th
230th
151st
206th2nd
PalindromemordnilaP
149th
36th
171st
235th
87th
55th
94th
102nd
19th
9th
30th128th
Pangram Grep
634th
249th
104th
821st
1,383rd
680th
230th
44th646th458th
270th
349th
1,210th
9th288th550th657th624th
478th
Partition Numbers
129th256th101st52nd488th164th90th197th41st204th419th16th249th119th106th132nd168th284th
110th139th91st85th203rd
145th107th32nd
199th
70th54th74th146th149th45th162nd21st
6th64th
24th80th253rd
68th100th78th
97th134th
Pascal’s Triangle
646th
112th
724th
169th
1st
497th201st
333rd
401st
42nd121st517th372nd
Pernicious Numbers
500th1,112th689th454th2,272nd226th321st480th749th
817th280th1,138th617th712th601st656th621st808th879th936th
549th1st1,318th100th1,146th573rd146th1,120th647th
667th299th425th795th727th184th245th125th
33rd517th87th364th378th1,400th982nd1,471st348th469th780th2,506th525th953rd
Pernicious Numbers (Long)
94th
114th837th
82nd
262nd
203rd
33rd
Poker
9th
58th
8th
Polyominoes
64th
98th
52nd
Prime Numbers
1,203rd2,021st
1,164th4,003rd
1,341st521st
618th405th
554th
213th
1,058th1,786th965th274th1st
145th
1,681st1st595th315th1,467th
264th
103rd
185th1,104th343rd
640th
Prime Numbers (Long)
968th
775th
337th
139th
1,040th955th
1st
161st
815th1st548th
94th
719th274th374th
Proximity Grid
25th
157th
13th
QR Decoder
44th
189th
28th
Quine
1st3,812th242nd
1,404th
2,844th2,718th
2,491st608th
1,803rd2,634th1,708th
2,963rd581st
1,521st144th683rd549th2,576th1,463rd215th1,578th1,346th
2,381st1,242nd2,861st1,771st1,687th500th
1,729th160th
549th432nd3,307th1,813th
1,644th
3,144th3,553rd
1,851st
Recamán
59th
201st
5th
Repeating Decimals
36th
93rd
13th
Reverse Polish Notation
74th
91st
1st
186th
49th
Reversi
30th
40th
5th
Rijndael S-box
202nd
13th
186th
110th
43rd
Rock-paper-scissors-Spock-lizard
8th
309th
3rd
Roman to Arabic
75th
52nd
339th
14th2nd
295th
ROT13
82nd
459th
425th
23rd
5th
63rd17th
Rule 110
18th
415th
5th
Set
46th
23rd
70th80th
67th
38th
44th
5th
9th
Seven Segment
290th
17th
72nd
2nd
SI Units
76th
78th
102nd
Sierpiński Triangle
873rd123rd
556th
5th
Smith Numbers
87th
99th
34th
Spelling Numbers
54th1st
187th
93rd
Star Wars Opening Crawl
19th
67th
20th
Sudoku
39th
59th
24th
Sudoku (Fill-in)
9th
78th
10th
Ten-pin Bowling
66th
165th
79th
Tic-tac-toe
66th
55th
184th
35th
70th
194th
47th
52nd73rd
120th
Time Distance
29th
77th
27th
Tongue-twisters
223rd26th
323rd
14th317th
893rd
Transpose Sentence
60th
1st
143rd
28th
United States
132nd
127th
32nd12th
Vampire Numbers
16th
197th
35th
Van Eck Sequence
84th
229th
13th
Zeckendorf Representation
28th
174th
10th
Zodiac Signs
25th
73rd
6th
γ
57th
254th45th
67th
65th
1st
99th
42nd
λ
117th
124th
93rd
230th
π
287th
126th
506th
507th
288th
7th
210th
134th
67th
645th
τ
217th
130th
470th
233rd
7th
181st
101st
52nd
φ
289th
159th608th
657th
201st
105th
67th
257th
36th
12th
409th
√2
335th
167th
236th
190th
111th
265th
83rd
4th
𝑒
309th
166th
138th
17th
294th
191st
59th
1,020th