Abundant Numbers
181st
Arabic to Roman
129th
Christmas Trees
109th
Divisors
143rd
Evil Numbers
171st
Fibonacci
185th
Fizz Buzz
418th
Happy Numbers
161st
Leap Years
237th
Levenshtein Distance
70th
Leyland Numbers
88th
Niven Numbers
1st
Odious Numbers
154th
Ordinal Numbers
138th
Pangram Grep
122nd
Prime Numbers
240th
Quine
33rd