12 Days of Christmas
273rd
Abundant Numbers
386th
Arabic to Roman
118th
Catalan Numbers
156th
Christmas Trees
137th
Diamonds
143rd
Divisors
410th
Emirp Numbers
288th
Evil Numbers
182nd1,038th
Fibonacci
173rd
Fizz Buzz
202nd
Foo Fizz Buzz Bar
123rd
ISBN
140th
Leap Years
496th
Niven Numbers
464th
Odious Numbers
136th
Ordinal Numbers
235th
Pascal’s Triangle
212th
Prime Numbers
744th
Prime Numbers (Long)
388th
Quine
67th
Rock-paper-scissors-Spock-lizard
80th
Seven Segment
77th
Van Eck Sequence
134th