12 Days of Christmas
141st
106th
99 Bottles of Beer
67th
Arabic to Roman
64th
Christmas Trees
465th40th
Cubes
42nd
Diamonds
65th
Divisors
523rd87th
Emirp Numbers
486th89th
Evil Numbers
89th
Fibonacci
1,011th69th
Fizz Buzz
84th
Happy Numbers
74th
Leap Years
102nd
Morse Decoder
36th
Morse Encoder
37th
Niven Numbers
90th
Odious Numbers
69th
Ordinal Numbers
97th54th
Pangram Grep
94th
Pascal’s Triangle
79th
Pernicious Numbers
78th
Prime Numbers
27th
Quine
103rd
Rock-paper-scissors-Spock-lizard
272nd39th
Roman to Arabic
58th
Rule 110
50th
Seven Segment
47th
Sierpiński Triangle
46th
λ
34th
π
123rd
57th
τ
43rd
φ
57th
√2
56th
𝑒
71st