12 Days of Christmas
56th
Abundant Numbers
41st
Abundant Numbers (Long)
31st
Catalan’s Constant
13th
Collatz
59th179th
Divisors
46th
Evil Numbers
79th
Evil Numbers (Long)
60th
Fibonacci
8th1st73rd
Fizz Buzz
300th
Happy Numbers
45th188th
Happy Numbers (Long)
26th
Niven Numbers
58th
Odious Numbers
75th
Odious Numbers (Long)
57th
Ordinal Numbers
41st
Pangram Grep
29th
Pascal’s Triangle
24th524th
Prime Numbers
107th
Prime Numbers (Long)
68th
Quine
30th63rd
Recamán
17th207th