12 Days of Christmas
49th
99 Bottles of Beer
484th
35th
Abundant Numbers
54th
Arabic to Roman
40th
brainfuck
29th
Christmas Trees
78th
CSS Colors
34th
Cubes
36th
Diamonds
62nd
Divisors
477th
78th
Emirp Numbers
32nd
Evil Numbers
57th
Fibonacci
64th
Fizz Buzz
1,141st
81st
Happy Numbers
54th
Leap Years
22nd
Leyland Numbers
44th
Lucky Tickets
Morse Decoder
22nd
Morse Encoder
25th
Niven Numbers
44th
Odious Numbers
50th
Ordinal Numbers
1st
25th
Pangram Grep
60th
Pascal’s Triangle
40th
Pernicious Numbers
57th
Prime Numbers
65th
Quine
105th
99th
Rock-paper-scissors-Spock-lizard
35th
Roman to Arabic
42nd
Rule 110
33rd
Seven Segment
25th
Sierpiński Triangle
25th
Spelling Numbers
19th
Sudoku
51st
16th
United States
36th
Vampire Numbers
32nd
λ
26th
π
τ
36th
φ
√2
𝑒
37th