12 Days of Christmas
59th
Abundant Numbers
49th
Abundant Numbers (Long)
38th
Catalan’s Constant
13th
Collatz
71st244th
Divisors
52nd
Evil Numbers
93rd
Evil Numbers (Long)
70th
Fibonacci
3rd1st
Fizz Buzz
321st
Happy Numbers
48th232nd
Happy Numbers (Long)
28th
Niven Numbers
66th
Odious Numbers
89th
Odious Numbers (Long)
70th
Ordinal Numbers
36th
Pangram Grep
29th
Pascal’s Triangle
25th563rd
Prime Numbers
111th
Prime Numbers (Long)
73rd
Quine
24th74th
Recamán
14th242nd
Repeating Decimals
131st