12 Days of Christmas
133rd
100th
99 Bottles of Beer
64th
Arabic to Roman
59th
Christmas Trees
439th37th
Cubes
36th
Diamonds
55th
Divisors
491st78th
Emirp Numbers
468th83rd
Evil Numbers
84th
Fibonacci
953rd63rd
Fizz Buzz
81st
Happy Numbers
69th
Leap Years
98th
Morse Decoder
29th
Morse Encoder
31st
Niven Numbers
84th
Odious Numbers
64th
Ordinal Numbers
84th48th
Pangram Grep
90th
Pascal’s Triangle
74th
Pernicious Numbers
69th
Prime Numbers
24th
Quine
99th
Rock-paper-scissors-Spock-lizard
254th35th
Roman to Arabic
54th
Rule 110
45th
Seven Segment
40th
Sierpiński Triangle
40th
λ
29th
π
117th178th51st
τ
39th
φ
47th
√2
46th
𝑒
65th