Abundant Numbers
751
Collatz
844697
Divisors
725
Evil Numbers
715
Fibonacci
796
Fizz Buzz
784
Foo Fizz Buzz Bar
757
Fractions
609
Happy Numbers
526
Happy Numbers (Long)
654
Intersection
674
Leap Years
885
Niven Numbers
644
Odious Numbers
645
Pernicious Numbers
588
Prime Numbers
802
Quine
479
RecamΓ‘n
868
Vampire Numbers
104
Van Eck Sequence
824
Ο
100
β2
99
π
80