99 Bottles of Beer
30th
Divisors
215th65th
Emirp Numbers
40th
Evil Numbers
114th70th
Fibonacci
362nd144th
Fizz Buzz
430th130th
Happy Numbers
64th
Leap Years
145th55th
Niven Numbers
124th83rd
Odious Numbers
95th62nd
Pascal’s Triangle
106th43rd
Pernicious Numbers
29th
Prime Numbers
242nd72nd
Roman to Arabic
26th
Rule 110
42nd
Spelling Numbers
14th
√2
24th