Catalan Numbers
1st
Collatz
1st
Day of Week
1st
Divisors
1st
Emojify
1st
Evil Numbers
1st
Evil Numbers (Long)
1st
Farey Sequence
1st
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Fractions
1st
Happy Numbers
1st
Hexdump
1st
Leap Years
5th
Levenshtein Distance
1st
Leyland Numbers
1st
ln 2
1st
Lucky Tickets
1st
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
1st
Odious Numbers (Long)
1st
Pangram Grep
1st
Pascalβs Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
1st
Repeating Decimals
1st
Roman to Arabic
1st
Van Eck Sequence
1st
Ο
1st
β2
1st
π
1st