12 Days of Christmas
56th
Abundant Numbers
46th
Abundant Numbers (Long)
35th
Catalan’s Constant
13th
Collatz
67th236th
Divisors
49th
Evil Numbers
87th
Evil Numbers (Long)
66th
Fibonacci
3rd1st75th
Fizz Buzz
311th
Happy Numbers
48th222nd
Happy Numbers (Long)
28th
Niven Numbers
63rd
Odious Numbers
83rd
Odious Numbers (Long)
64th
Ordinal Numbers
36th
Pangram Grep
29th
Pascal’s Triangle
24th544th
Prime Numbers
111th
Prime Numbers (Long)
73rd
Quine
30th67th
Recamán
14th232nd
Repeating Decimals
122nd