12 Days of Christmas
62nd
Abundant Numbers
44th
Abundant Numbers (Long)
37th
Catalan’s Constant
16th
Collatz
71st222nd
Divisors
54th
Evil Numbers
90th
Evil Numbers (Long)
72nd
Fibonacci
4th1st
Fizz Buzz
331st
Happy Numbers
50th215th
Happy Numbers (Long)
25th
Niven Numbers
67th
Odious Numbers
90th
Odious Numbers (Long)
72nd
Ordinal Numbers
44th
Pangram Grep
30th
Pascal’s Triangle
24th576th
Prime Numbers
116th
Prime Numbers (Long)
76th
Quine
27th84th
Recamán
16th240th
Repeating Decimals
142nd