12 Days of Christmas
59th
99 Bottles of Beer
271st
Abundant Numbers
96th
Christmas Trees
316th
Collatz
34th
Divisors
390th
Emirp Numbers
342nd
Evil Numbers
487th
Fibonacci
801st132nd
Fizz Buzz
1,414th
Happy Numbers
242nd
Morse Decoder
109th
Niven Numbers
205th
Odious Numbers
296th
Pangram Grep
Pascal’s Triangle
394th
Pernicious Numbers
219th
Prime Numbers
446th
Quine
1st72nd
Recamán
90th
Roman to Arabic
154th
Seven Segment
93rd
Sierpiński Triangle
98th
Spelling Numbers
64th
United States