12 Days of Christmas
302nd
Abundant Numbers
421st
Arabic to Roman
130th
Catalan Numbers
183rd
Christmas Trees
159th
Diamonds
164th
Divisors
440th
Emirp Numbers
309th
Evil Numbers
202nd1,095th
Fibonacci
197th
Fizz Buzz
224th
Foo Fizz Buzz Bar
141st
ISBN
160th
Leap Years
538th
Niven Numbers
503rd
Odious Numbers
152nd
Ordinal Numbers
254th
Pascal’s Triangle
233rd
Prime Numbers
792nd
Prime Numbers (Long)
425th
Quine
83rd
Rock-paper-scissors-Spock-lizard
84th
Seven Segment
87th
Van Eck Sequence
156th