12 Days of Christmas
74th
99 Bottles of Beer
59th
Christmas Trees
63rd
Cubes
32nd
Diamonds
42nd
Divisors
72nd
Emirp Numbers
73rd
Evil Numbers
88th
Fibonacci
185th
Fizz Buzz
241st
131st
Happy Numbers
65th
Leap Years
80th
Niven Numbers
65th
Odious Numbers
72nd
Ordinal Numbers
50th
Pangram Grep
42nd
Pascalβs Triangle
65th
Pernicious Numbers
73rd
Prime Numbers
51st
Quine
173rd