12 Days of Christmas
57th
Abundant Numbers
47th
Abundant Numbers (Long)
37th
Catalan’s Constant
13th
Collatz
68th239th
Divisors
52nd
Evil Numbers
91st
Evil Numbers (Long)
68th
Fibonacci
3rd1st
Fizz Buzz
315th
Happy Numbers
48th228th
Happy Numbers (Long)
28th
Niven Numbers
65th
Odious Numbers
87th
Odious Numbers (Long)
67th
Ordinal Numbers
36th
Pangram Grep
29th
Pascal’s Triangle
25th557th
Prime Numbers
111th
Prime Numbers (Long)
73rd
Quine
30th72nd
Recamán
14th235th
Repeating Decimals
124th