12 Days of Christmas
49th
99 Bottles of Beer
482nd
34th
Abundant Numbers
53rd
Arabic to Roman
39th
brainfuck
28th
Christmas Trees
77th
CSS Colors
34th
Cubes
35th
Diamonds
60th
Divisors
476th
78th
Emirp Numbers
32nd
Evil Numbers
56th
Fibonacci
63rd
Fizz Buzz
1,140th
81st
Happy Numbers
53rd
Leap Years
22nd
Leyland Numbers
44th
Lucky Tickets
Morse Decoder
21st
Morse Encoder
25th
Niven Numbers
44th
Odious Numbers
49th
Ordinal Numbers
1st
24th
Pangram Grep
59th
Pascal’s Triangle
40th
Pernicious Numbers
56th
Prime Numbers
64th
Quine
104th
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
35th
Vampire Numbers
32nd
λ
26th
π
τ
36th
φ
√2
𝑒
37th