12 Days of Christmas
191st
Abundant Numbers
324th
Arabic to Roman
65th
Catalan Numbers
139th
Christmas Trees
80th
Diamonds
106th
Divisors
363rd
Emirp Numbers
240th
Evil Numbers
176th975th
Fibonacci
154th
Fizz Buzz
52nd
Foo Fizz Buzz Bar
1st
ISBN
101st
Leap Years
453rd
Niven Numbers
432nd
Odious Numbers
131st
Ordinal Numbers
205th
Pascalβs Triangle
186th
Prime Numbers
701st
Prime Numbers (Long)
351st
Quine
56th
Rock-paper-scissors-Spock-lizard
51st
Seven Segment
46th
Van Eck Sequence
100th