12 Days of Christmas
46th
99 Bottles of Beer
484th
28th
Abundant Numbers
54th
Arabic to Roman
36th
brainfuck
21st
Christmas Trees
77th
CSS Colors
38th
Cubes
33rd
Diamonds
62nd
Divisors
477th
78th
Emirp Numbers
91st
Evil Numbers
57th
Fibonacci
64th
Fizz Buzz
1,141st
81st
Happy Numbers
77th
Leap Years
21st
Leyland Numbers
43rd
Lucky Tickets
Morse Decoder
25th
Morse Encoder
27th
Niven Numbers
44th
Odious Numbers
50th
Ordinal Numbers
1st
24th
Pangram Grep
60th
Pascal’s Triangle
40th
Pernicious Numbers
57th
Prime Numbers
65th
Quine
105th
99th
Rock-paper-scissors-Spock-lizard
38th
Roman to Arabic
40th
Rule 110
30th
Seven Segment
21st
Sierpiński Triangle
25th
Spelling Numbers
16th
Sudoku
50th
16th
United States
36th
Vampire Numbers
28th
λ
25th
π
τ
36th
φ
√2
𝑒
37th