12 Days of Christmas
296th
99 Bottles of Beer
170th
Christmas Trees
78th
Divisors
1st
Emirp Numbers
114th
Evil Numbers
144th
Fibonacci
194th
Fizz Buzz
63rd
Happy Numbers
237th
Leap Years
439th
Niven Numbers
319th
Odious Numbers
162nd
Pascal’s Triangle
136th
Pernicious Numbers
172nd
Prime Numbers
340th
Quine
81st