Abundant Numbers
97th
1st
Diamonds
75th
Divisors
28th1st
Emirp Numbers
11th
Evil Numbers
85th1st
Evil Numbers (Long)
1st
Fibonacci
228th
59th
279th1st
Fizz Buzz
1st1st
Foo Fizz Buzz Bar
1st
Fractions
63rd1st
Happy Numbers
81st1st
Happy Numbers (Long)
48th1st
ISBN
9th
Kolakoski Sequence
89th1st
Leap Years
85th
138th1st
Look and Say
60th8th
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
267th1st
Odious Numbers (Long)
1st
Ordinal Numbers
119th
Pangram Grep
1st
Pascalβs Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
7th
Prime Numbers
1st
Prime Numbers (Long)
60th
1st
Reverse Polish Notation
5th
Smith Numbers
6th
Spelling Numbers
86th
Transpose Sentence
6th
Van Eck Sequence
49th1st