12 Days of Christmas
24th
20th
140th
99 Bottles of Beer
7th
35th
80th33rd23rd
Abundant Numbers
21st
25th
180th
34th
Abundant Numbers (Long)
18th
21st
136th
29th
Arabic to Roman
60th
11th
119th
Arithmetic Numbers
129th
Arrows
10th
206th
Ascending Primes
46th
ASCII Table
15th
122nd
brainfuck
43rd
14th
20th
83rd
32nd
Catalan Numbers
26th
16th
165th
Catalan’s Constant
9th
9th
50th
78th
Christmas Trees
20th
32nd
213th
59th
Collatz
41st
10th
169th
CSS Colors
9th
106th
Cubes
12th
143rd
Day of Week
6th
54th
Diamonds
28th
60th
Divisors
101st
35th
35th
157th
363rd54th93rd
Emirp Numbers
16th
20th
12th
117th
78th
Emirp Numbers (Long)
7th
8th
124th
35th
Emojify
11th
73rd
18th
Evil Numbers
26th
17th
35th
111th
23rd
Evil Numbers (Long)
19th
12th
25th
32nd
13th
Factorial Factorisation
129th
Fibonacci
79th
193rd139th
30th34th
29th
1st31st
45th61st157th73rd
101st37th
62nd89th
155th45th58th112th
50th31st14th
Fizz Buzz
84th18th40th78th31st66th302nd203rd214th14th49th19th37th35th15th46th63rd32nd9th33rd45th1st1st56th11th129th45th22nd8th133rd229th33rd52nd57th142nd27th12th66th75th27th
40th9th28th
Foo Fizz Buzz Bar
20th
14th
14th
15th
294th
35th
Forsyth–Edwards Notation
10th
91st
Fractions
18th
279th
Game of Life
96th
Gijswijt’s Sequence
10th
83rd
Happy Numbers
17th
10th
13th
155th
41st
Happy Numbers (Long)
14th
9th
10th
77th
34th
Hexdump
91st
Intersection
14th
13th
49th
Inventory Sequence
14th
52nd
ISBN
16th
114th
Jacobi Symbol
21st
8th
15th
109th
Kolakoski Constant
11th
49th
Kolakoski Sequence
25th
135th
Leap Years
100th
26th
37th
17th
165th
191st28th28th39th
Levenshtein Distance
11th7th
31st
71st
47th
Leyland Numbers
28th
17th
151st
Look and Say
14th
10th
29th
141st
Lucky Numbers
11th
173rd
Lucky Tickets
12th
99th
Maze
82nd
Medal Tally
89th
Morse Decoder
7th
54th
Morse Encoder
10th
6th
95th
28th
Musical Chords
37th
N Queens
63rd
Niven Numbers
27th
50th
13th
168th43rd38th
Niven Numbers (Long)
21st
20th
10th
153rd22nd43rd
Number Spiral
8th
18th
105th
Odious Numbers
22nd
17th
35th
32nd
81st
19th
Odious Numbers (Long)
18th
12th
23rd
17th
65th
10th
Ordinal Numbers
14th
18th
22nd
111th
Pangram Grep
34th
18th
19th11th
19th31st
34th
27th
25th
50th
45th50th69th
15th
17th
Pascal’s Triangle
63rd
18th
1st
20th
28th
67th
Pernicious Numbers
25th
17th
26th
124th
42nd45th
Pernicious Numbers (Long)
11th
23rd
75th
Poker
5th
40th
Prime Numbers
21st
1st
92nd
321st78th90th
Prime Numbers (Long)
39th
1st
205th
Proximity Grid
85th
QR Decoder
66th
Quine
1st
28th63rd53rd
1st
31st13th33rd10th
66th30th
56th71st28th71st
105th49th46th93rd68th55th
56th67th96th107th
8th
Recamán
12th
26th
88th
62nd
28th
Repeating Decimals
5th
64th27th
Reverse Polish Notation
15th
122nd
Rijndael S-box
34th
55th
Rock-paper-scissors-Spock-lizard
10th
140th
Roman to Arabic
15th
14th
94th
32nd
ROT13
108th
Rule 110
16th
149th
Seven Segment
10th
12th
85th
79th
18th
SI Units
3rd
39th
2nd
Sierpiński Triangle
12th
21st10th
14th
75th
25th
Smith Numbers
13th
56th
Spelling Numbers
65th
9th
48th
Star Wars Opening Crawl
5th
86th
Sudoku
6th
97th
Sudoku (Fill-in)
5th
84th
Ten-pin Bowling
7th
91st
Time Distance
5th
22nd
Tongue-twisters
13th
107th
156th
29th
United States
22nd
8th
82nd
Vampire Numbers
8th
14th
91st
32nd
Van Eck Sequence
18th
41st
Zodiac Signs
9th
92nd
γ
42nd
λ
11th
9th
57th
π
29th
16th
1st
48th
119th
τ
15th
1st
43rd
99th
φ
25th
24th
55th
152nd
√2
21st
13th
46th
194th
𝑒
22nd
45th
226th