Abundant Numbers
751
Collatz
844697
Divisors
725
Evil Numbers
715
Fibonacci
795
Fizz Buzz
783
Foo Fizz Buzz Bar
771
Fractions
608
Happy Numbers
525
Happy Numbers (Long)
653
Intersection
673
Leap Years
885
Niven Numbers
643
Odious Numbers
644
Pernicious Numbers
588
Prime Numbers
802
Quine
479
RecamΓ‘n
867
Vampire Numbers
104
Van Eck Sequence
823
Ο
100
β2
100
π
80