12 Days of Christmas
52nd
99 Bottles of Beer
40th
Christmas Trees
117th33rd
Divisors
566th111th
Emirp Numbers
244th
Evil Numbers
400th51st
Fibonacci
606th121st
Fizz Buzz
1,026th166th
Happy Numbers
142nd33rd
Odious Numbers
320th48th
Pascal’s Triangle
173rd30th
Pernicious Numbers
154th42nd
Prime Numbers
89th
Quine
154th