12 Days of Christmas
191st
99 Bottles of Beer
336th
Abundant Numbers
183rd
Christmas Trees
372nd
Collatz
132nd
Divisors
436th
Emirp Numbers
378th
Evil Numbers
514th
Fibonacci
841st156th
Fizz Buzz
1,484th
Happy Numbers
283rd
Morse Decoder
136th
Niven Numbers
223rd
Odious Numbers
317th
Pangram Grep
Pascal’s Triangle
424th
Pernicious Numbers
246th
Prime Numbers
492nd
Quine
1st82nd
Recamán
61st
Roman to Arabic
179th
Seven Segment
128th
Sierpiński Triangle
131st
Spelling Numbers
102nd
United States