12 Days of Christmas
112th
86th
99 Bottles of Beer
59th
Arabic to Roman
52nd
Christmas Trees
371st32nd
Cubes
30th
Diamonds
46th
Divisors
444th68th
Emirp Numbers
417th75th
Evil Numbers
74th
Fibonacci
847th57th
Fizz Buzz
69th
Happy Numbers
64th
Leap Years
85th
Morse Decoder
24th
Morse Encoder
25th
Niven Numbers
71st
Odious Numbers
56th
Ordinal Numbers
72nd43rd
Pangram Grep
80th
Pascal’s Triangle
63rd
Pernicious Numbers
58th
Prime Numbers
21st
Quine
95th
Rock-paper-scissors-Spock-lizard
230th29th
Roman to Arabic
48th
Rule 110
40th
Seven Segment
38th
Sierpiński Triangle
36th
λ
25th
π
97th140th76th
τ
48th
φ
46th
√2
47th
𝑒
60th