12 Days of Christmas
11th
13th
99 Bottles of Beer
12th
34th
9th
Abundant Numbers
19th
brainfuck
9th
Christmas Trees
21st
Cubes
10th
Diamonds
26th
Divisors
33rd
35th
Emirp Numbers
28th
44th
Evil Numbers
42nd
40th
45th144th81st
17th
Fibonacci
526th
48th
63rd
Fizz Buzz
89th138th
208th78th
97th
32nd
105th
235th
Fractions
15th
Happy Numbers
27th
48th
Kolakoski Constant
11th
Kolakoski Sequence
14th
Leap Years
80th28th
46th
Levenshtein Distance
1st
25th
45th
163rd19th
Look and Say
16th
Morse Decoder
16th
Niven Numbers
76th35th
49th
45th
Odious Numbers
41st
41st
49th
Ordinal Numbers
21st
Pangram Grep
44th
Pascal’s Triangle
43rd
56th
Pernicious Numbers
38th
60th
Prime Numbers
90th
71st
Quine
145th1st105th271st130th93rd
55th78th118th70th95th404th70th132nd63rd106th75th
885th41st203rd119th59th
Recamán
18th
384th11th
Rule 110
12th
Seven Segment
12th
26th
Sierpiński Triangle
33rd
Smith Numbers
Tongue-twisters
12th
United States
12th
Van Eck Sequence
196th
44th
λ
10th
22nd
13th
π
83rd
425th28th
50th
τ
61st
20th
25th
φ
10th
55th
17th
√2
11th
1st
13th
𝑒
15th
84th41st33rd
22nd30th34th30th65th156th68th39th12th66th26th
430th
71st27th12th