Abundant Numbers
781
Collatz
877
713
Divisors
750
Evil Numbers
746
Fibonacci
818
Fizz Buzz
800
Foo Fizz Buzz Bar
811
Fractions
655
Happy Numbers
550
Happy Numbers (Long)
695
Intersection
727
Leap Years
915
Niven Numbers
671
Odious Numbers
676
Pernicious Numbers
618
Prime Numbers
836
Quine
500
RecamΓ‘n
918
Vampire Numbers
111
Van Eck Sequence
887
Ο
106
β2
108
π
85