12 Days of Christmas
42nd
99 Bottles of Beer
469th
24th
Abundant Numbers
49th
Arabic to Roman
34th
brainfuck
19th
Christmas Trees
69th
CSS Colors
35th
Cubes
29th
Diamonds
52nd
Divisors
464th
71st
Emirp Numbers
83rd
Evil Numbers
51st
Fibonacci
60th
Fizz Buzz
1,113th
77th
Happy Numbers
72nd
Leap Years
21st
Leyland Numbers
38th
Lucky Tickets
Morse Decoder
23rd
Morse Encoder
25th
Niven Numbers
41st
Odious Numbers
45th
Ordinal Numbers
1st
22nd
Pangram Grep
54th
Pascal’s Triangle
37th
Pernicious Numbers
49th
Prime Numbers
60th
Quine
97th
99th
Rock-paper-scissors-Spock-lizard
34th
Roman to Arabic
38th
Rule 110
28th
Seven Segment
21st
Sierpiński Triangle
24th
Spelling Numbers
15th
Sudoku
45th
15th
United States
31st
Vampire Numbers
26th
λ
22nd
π
38th
τ
36th29th
φ
36th
√2
31st
𝑒
36th