12 Days of Christmas
118th
91st
99 Bottles of Beer
61st
Arabic to Roman
56th
Christmas Trees
420th36th
Cubes
33rd
Diamonds
48th
Divisors
490th71st
Emirp Numbers
460th26th
Evil Numbers
76th
Fibonacci
904th60th
Fizz Buzz
76th
Happy Numbers
38th
Leap Years
87th
Morse Decoder
27th
Morse Encoder
29th
Niven Numbers
75th
Odious Numbers
59th
Ordinal Numbers
118th45th
Pangram Grep
81st
Pascal’s Triangle
69th
Pernicious Numbers
62nd
Prime Numbers
26th
Quine
99th
Rock-paper-scissors-Spock-lizard
221st32nd
Roman to Arabic
53rd
Rule 110
38th
Seven Segment
39th
Sierpiński Triangle
37th
λ
21st
π
110th187th79th
τ
50th
φ
57th
√2
58th
𝑒
63rd