99 Bottles of Beer
30th
Divisors
222nd66th
Emirp Numbers
40th
Evil Numbers
119th72nd
Fibonacci
385th145th
Fizz Buzz
445th130th
Happy Numbers
65th
Leap Years
149th56th
Niven Numbers
126th85th
Odious Numbers
100th63rd
Pascal’s Triangle
108th44th
Pernicious Numbers
30th
Prime Numbers
247th74th
Roman to Arabic
26th
Rule 110
43rd
Spelling Numbers
14th
√2
25th