Abundant Numbers
781Collatz
865Divisors
750Evil Numbers
746Fibonacci
836Fizz Buzz
800Foo Fizz Buzz Bar
819Fractions
655Happy Numbers
550Happy Numbers (Long)
705Intersection
717Leap Years
915Niven Numbers
671Odious Numbers
676Pernicious Numbers
618Prime Numbers
836Quine
500RecamΓ‘n
918Vampire Numbers
111Van Eck Sequence
887Ο
108β2
108π
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