12 Days of Christmas
128th
96th
99 Bottles of Beer
60th
Arabic to Roman
57th
Christmas Trees
439th38th
Cubes
36th
Diamonds
53rd
Divisors
509th74th
Emirp Numbers
474th27th
Evil Numbers
80th
Fibonacci
939th63rd
Fizz Buzz
80th
Happy Numbers
40th
Leap Years
96th
Morse Decoder
28th
Morse Encoder
31st
Niven Numbers
82nd
Odious Numbers
61st
Ordinal Numbers
124th47th
Pangram Grep
87th
Pascal’s Triangle
72nd
Pernicious Numbers
67th
Prime Numbers
27th
Quine
110th
Rock-paper-scissors-Spock-lizard
231st34th
Roman to Arabic
55th
Rule 110
39th
Seven Segment
40th
Sierpiński Triangle
40th
λ
23rd
π
118th195th80th
τ
51st
φ
60th
√2
61st
𝑒
64th