12 Days of Christmas
914th
Divisors
101st
Evil Numbers
190th
112th31st
Fibonacci
473rd198th184th195th370th1st158th7th125th
Fizz Buzz
1,353rd
Fractions
88th
Happy Numbers
158th73rd
Leap Years
549th
Niven Numbers
251st99th
Odious Numbers
168th
263rd81st
Pascalβs Triangle
35th40th
Prime Numbers
89th395th55th41st
Prime Numbers (Long)
265th33rd
Quine
122nd
58th97th
Ο
453rd