Christmas Trees
30th
Cubes
13th
Divisors
61st
Emirp Numbers
47th
Fibonacci
145th
Fizz Buzz
116th
Happy Numbers
50th
Morse Decoder
9th
Niven Numbers
61st
Pangram Grep
Pascal’s Triangle
49th
Prime Numbers
109th
Quine
34th815th
Rock-paper-scissors-Spock-lizard
14th
Roman to Arabic
24th
Sierpiński Triangle
29th