12 Days of Christmas
291st
Abundant Numbers
404th
Arabic to Roman
124th
Catalan Numbers
171st
Christmas Trees
147th
Diamonds
155th
Divisors
425th
Emirp Numbers
302nd
Evil Numbers
200th1,078th
Fibonacci
189th
Fizz Buzz
212th
Foo Fizz Buzz Bar
133rd
ISBN
150th
Leap Years
519th
Niven Numbers
487th
Odious Numbers
150th
Ordinal Numbers
247th
Pascal’s Triangle
226th
Prime Numbers
773rd
Prime Numbers (Long)
412th
Quine
74th
Rock-paper-scissors-Spock-lizard
82nd
Seven Segment
84th
Van Eck Sequence
149th