12 Days of Christmas
272nd
99 Bottles of Beer
155th
Christmas Trees
63rd
Divisors
1st
Emirp Numbers
96th
Evil Numbers
128th
Fibonacci
176th
Fizz Buzz
54th
Happy Numbers
218th
Leap Years
414th
Niven Numbers
294th
Odious Numbers
148th
Pascal’s Triangle
119th
Pernicious Numbers
153rd
Prime Numbers
314th
Quine
67th