12 Days of Christmas
132nd
97th
99 Bottles of Beer
61st
Arabic to Roman
58th
Christmas Trees
425th36th
Cubes
35th
Diamonds
54th
Divisors
489th75th
Emirp Numbers
462nd82nd
Evil Numbers
81st
Fibonacci
939th63rd
Fizz Buzz
80th
Happy Numbers
68th
Leap Years
97th
Morse Decoder
29th
Morse Encoder
31st
Niven Numbers
82nd
Odious Numbers
62nd
Ordinal Numbers
81st47th
Pangram Grep
87th
Pascal’s Triangle
71st
Pernicious Numbers
67th
Prime Numbers
24th
Quine
97th
Rock-paper-scissors-Spock-lizard
253rd33rd
Roman to Arabic
54th
Rule 110
44th
Seven Segment
40th
Sierpiński Triangle
40th
λ
28th
π
117th172nd48th
τ
38th
φ
45th
√2
44th
𝑒
65th