12 Days of Christmas
59th
Abundant Numbers
42nd
Abundant Numbers (Long)
33rd
Catalan’s Constant
13th
Collatz
64th195th
Divisors
50th
Evil Numbers
86th
Evil Numbers (Long)
66th
Fibonacci
12th1st
Fizz Buzz
313th
Happy Numbers
47th195th
Happy Numbers (Long)
26th
Niven Numbers
61st
Odious Numbers
84th
Odious Numbers (Long)
64th
Ordinal Numbers
43rd
Pangram Grep
29th
Pascal’s Triangle
25th543rd
Prime Numbers
111th
Prime Numbers (Long)
73rd
Quine
30th70th
Recamán
18th217th
Repeating Decimals
122nd