12 Days of Christmas
56th
99 Bottles of Beer
263rd
Abundant Numbers
91st
Christmas Trees
307th
Collatz
31st
Divisors
380th
Emirp Numbers
332nd
Evil Numbers
473rd
Fibonacci
781st132nd
Fizz Buzz
1,395th
Happy Numbers
236th
Morse Decoder
106th
Niven Numbers
198th
Odious Numbers
283rd
Pangram Grep
Pascal’s Triangle
379th
Pernicious Numbers
213th
Prime Numbers
435th
Quine
1st67th
Recamán
86th
Roman to Arabic
148th
Seven Segment
92nd
Sierpiński Triangle
95th
Spelling Numbers
64th
United States