Abundant Numbers
98th
1st
Diamonds
77th
Divisors
29th1st
Emirp Numbers
11th
Evil Numbers
85th1st
Evil Numbers (Long)
1st
Fibonacci
233rd
61st
282nd1st
Fizz Buzz
1st1st
Foo Fizz Buzz Bar
1st
Fractions
64th1st
Happy Numbers
83rd1st
Happy Numbers (Long)
48th1st
ISBN
9th
Kolakoski Sequence
91st1st
Leap Years
87th
139th1st
Look and Say
60th8th
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
271st1st
Odious Numbers (Long)
1st
Ordinal Numbers
119th
Pangram Grep
1st
Pascalβs Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
8th
Prime Numbers
1st
Prime Numbers (Long)
61st
1st
Reverse Polish Notation
5th
Smith Numbers
6th
Spelling Numbers
87th
Transpose Sentence
6th
Van Eck Sequence
50th1st