12 Days of Christmas
138th
106th
99 Bottles of Beer
69th
Arabic to Roman
63rd
Christmas Trees
480th42nd
Cubes
42nd
Diamonds
65th
Divisors
544th87th
Emirp Numbers
498th31st
Evil Numbers
89th
Fibonacci
1,011th69th
Fizz Buzz
84th
Happy Numbers
45th
Leap Years
102nd
Morse Decoder
35th
Morse Encoder
37th
Niven Numbers
90th
Odious Numbers
69th
Ordinal Numbers
139th54th
Pangram Grep
94th
Pascal’s Triangle
80th
Pernicious Numbers
78th
Prime Numbers
30th
Quine
103rd
Rock-paper-scissors-Spock-lizard
249th40th
Roman to Arabic
59th
Rule 110
45th
Seven Segment
47th
Sierpiński Triangle
46th
λ
27th
π
124th
58th
τ
43rd
φ
57th
√2
58th
𝑒
71st