12 Days of Christmas
208th
Abundant Numbers
361st
Arabic to Roman
73rd
Catalan Numbers
163rd
Christmas Trees
86th
Diamonds
122nd
Divisors
388th
Emirp Numbers
267th
Evil Numbers
190th1,054th
Fibonacci
181st
Fizz Buzz
54th
Foo Fizz Buzz Bar
1st
ISBN
117th
Leap Years
493rd
Niven Numbers
470th
Odious Numbers
143rd
Ordinal Numbers
221st
Pascal’s Triangle
207th
Prime Numbers
744th
Prime Numbers (Long)
390th
Quine
70th
Rock-paper-scissors-Spock-lizard
56th
Seven Segment
53rd
Van Eck Sequence
119th