12 Days of Christmas
62nd
Abundant Numbers
45th
Abundant Numbers (Long)
36th
Catalan’s Constant
14th
Collatz
70th214th
Divisors
53rd
Evil Numbers
92nd
Evil Numbers (Long)
71st
Fibonacci
14th1st
Fizz Buzz
327th
Happy Numbers
49th211th
Happy Numbers (Long)
27th
Niven Numbers
65th
Odious Numbers
91st
Odious Numbers (Long)
72nd
Ordinal Numbers
44th
Pangram Grep
30th
Pascal’s Triangle
25th567th
Prime Numbers
112th
Prime Numbers (Long)
75th
Quine
26th81st
Recamán
19th234th
Repeating Decimals
138th