Abundant Numbers
28th
Collatz
31st493rd
Divisors
205th
Evil Numbers
89th
Evil Numbers (Long)
62nd
Fibonacci
266th
Fizz Buzz
296th
Foo Fizz Buzz Bar
50th
Fractions
63rd
Happy Numbers
55th
Happy Numbers (Long)
41st
Intersection
31st
Leap Years
40th
Niven Numbers
118th
Odious Numbers
81st
Odious Numbers (Long)
59th
Pernicious Numbers
81st
Pernicious Numbers (Long)
45th
Prime Numbers
78th
Quine
102nd
Recamán
19th
Vampire Numbers
39th
Van Eck Sequence
13th
π
65th
√2
34th
𝑒
51st