12 Days of Christmas
124th
91st
99 Bottles of Beer
60th
Arabic to Roman
57th
Christmas Trees
411th34th
Cubes
33rd
Diamonds
50th
Divisors
472nd71st
Emirp Numbers
452nd78th
Evil Numbers
77th
Fibonacci
914th61st
Fizz Buzz
77th
Happy Numbers
67th
Leap Years
88th
Morse Decoder
28th
Morse Encoder
28th
Niven Numbers
77th
Odious Numbers
60th
Ordinal Numbers
77th45th
Pangram Grep
82nd
Pascal’s Triangle
69th
Pernicious Numbers
63rd
Prime Numbers
24th
Quine
99th
Rock-paper-scissors-Spock-lizard
247th31st
Roman to Arabic
53rd
Rule 110
41st
Seven Segment
39th
Sierpiński Triangle
37th
λ
26th
π
113th163rd78th
τ
50th
φ
58th
√2
56th
𝑒
63rd