12 Days of Christmas
9th
12th
99 Bottles of Beer
10th
32nd
8th
Abundant Numbers
19th
brainfuck
9th
Christmas Trees
20th
Cubes
9th
Diamonds
26th
Divisors
27th
33rd
Emirp Numbers
24th
43rd
Evil Numbers
38th
38th
45th135th72nd
17th
Fibonacci
501st
40th
48th
Fizz Buzz
85th134th
202nd75th
95th
31st
103rd
222nd
Fractions
14th
Happy Numbers
28th
47th
Kolakoski Constant
11th
Kolakoski Sequence
14th
Leap Years
77th25th
44th
Levenshtein Distance
1st
24th
42nd
145th17th
Look and Say
15th
Morse Decoder
15th
Niven Numbers
72nd31st
44th
44th
Odious Numbers
38th
39th
48th
Ordinal Numbers
20th
Pangram Grep
42nd
Pascal’s Triangle
39th
54th
Pernicious Numbers
35th
55th
Prime Numbers
82nd
67th
Quine
136th1st102nd249th125th90th
53rd73rd112th68th84th382nd65th123rd59th100th73rd
837th39th205th113th58th
Recamán
16th
352nd10th
Rule 110
12th
Seven Segment
10th
23rd
Sierpiński Triangle
32nd
Smith Numbers
Tongue-twisters
12th
United States
12th
Van Eck Sequence
182nd
38th
λ
8th
20th
9th
π
76th
392nd27th
41st
τ
55th
18th
24th
φ
9th
51st
17th
√2
10th
1st
11th
𝑒
13th
80th35th32nd
20th27th33rd27th57th148th62nd40th11th63rd25th
396th
65th24th12th