Abundant Numbers
591
Christmas Trees
381
Collatz
875
Divisors
777
Emirp Numbers
459
Evil Numbers
492
586
Fibonacci
533
467482
Fizz Buzz
603787604640
Foo Fizz Buzz Bar
644
Fractions
626
Leap Years
572
437
Niven Numbers
562
Number Spiral
247
Odious Numbers
495
576
Pernicious Numbers
365
Prime Numbers
523
Prime Numbers (Long)
556
Quine
946
SierpiΕski Triangle
102
Tongue-twisters
498
β2
696