Abundant Numbers
94th
3rd
Diamonds
74th
Divisors
26th
11th
Evil Numbers
80th
1st
Evil Numbers (Long)
1st
Fibonacci
201st
51st
257th
Fizz Buzz
1st
1st
Foo Fizz Buzz Bar
3rd
Fractions
55th
3rd
Happy Numbers
79th
4th
Happy Numbers (Long)
40th
1st
ISBN
6th
Kolakoski Sequence
79th
Leap Years
293rd
Look and Say
53rd
5th
Niven Numbers
4th
Niven Numbers (Long)
1st
Odious Numbers
255th
1st
Odious Numbers (Long)
1st
Ordinal Numbers
109th
Pangram Grep
13th
Pernicious Numbers
20th
Prime Numbers
26th
Prime Numbers (Long)
56th
26th
Reverse Polish Notation
3rd
Smith Numbers
5th
Spelling Numbers
76th
Van Eck Sequence
43rd
8th