12 Days of Christmas
242nd
Abundant Numbers
393rd
Arabic to Roman
89th
Catalan Numbers
184th
Christmas Trees
109th
Diamonds
145th
Divisors
416th
Emirp Numbers
285th
Evil Numbers
204th1,103rd
Fibonacci
206th
Fizz Buzz
76th
Foo Fizz Buzz Bar
1st
ISBN
139th
Leap Years
534th
Niven Numbers
505th
Odious Numbers
153rd
Ordinal Numbers
238th
Pascal’s Triangle
224th
Prime Numbers
788th
Prime Numbers (Long)
427th
Quine
86th
Rock-paper-scissors-Spock-lizard
68th
Seven Segment
64th
Van Eck Sequence
137th