12 Days of Christmas
146th
Collatz
72nd
Divisors
143rd
Evil Numbers
289th
Fibonacci
366th
Fizz Buzz
1st
Foo Fizz Buzz Bar
52nd
Happy Numbers
70th
Happy Numbers (Long)
44th
Kolakoski Sequence
87th
Leap Years
78th
Leyland Numbers
39th
Look and Say
28th
Niven Numbers
135th
Pascal’s Triangle
78th
Pernicious Numbers
135th
Prime Numbers
64th
Quine
33rd
Recamán
69th
Tongue-twisters
87th