12 Days of Christmas
11th
13th
99 Bottles of Beer
12th
33rd
8th
Abundant Numbers
19th
brainfuck
9th
Christmas Trees
21st
Cubes
9th
Diamonds
26th
Divisors
33rd
34th
Emirp Numbers
28th
43rd
Evil Numbers
42nd
40th
45th143rd79th
17th
Fibonacci
517th
45th
60th
Fizz Buzz
88th137th
205th77th
97th
32nd
105th
230th
Fractions
15th
Happy Numbers
30th
48th
Kolakoski Constant
11th
Kolakoski Sequence
14th
Leap Years
79th28th
46th
Levenshtein Distance
1st
25th
45th
155th19th
Look and Say
16th
Morse Decoder
15th
Niven Numbers
76th35th
48th
44th
Odious Numbers
40th
41st
49th
Ordinal Numbers
21st
Pangram Grep
43rd
Pascal’s Triangle
42nd
55th
Pernicious Numbers
38th
58th
Prime Numbers
89th
69th
Quine
141st1st104th266th128th91st
55th79th116th70th93rd392nd69th130th62nd102nd74th
873rd40th199th116th59th
Recamán
18th
375th11th
Rule 110
12th
Seven Segment
12th
24th
Sierpiński Triangle
32nd
Smith Numbers
Tongue-twisters
12th
United States
12th
Van Eck Sequence
191st
42nd
λ
10th
22nd
13th
π
79th
416th27th
50th
τ
58th
19th
25th
φ
10th
53rd
17th
√2
11th
1st
11th
𝑒
15th
83rd40th33rd
21st28th34th30th63rd153rd65th38th12th63rd25th
422nd
70th27th12th