Abundant Numbers
591
Christmas Trees
381
Collatz
194
877
Divisors
779
Emirp Numbers
459
Evil Numbers
493
586
Fibonacci
533
467483
Fizz Buzz
603788604640
Foo Fizz Buzz Bar
645
Fractions
629
Gijswijt’s Sequence
86
Leap Years
573
437
Niven Numbers
562
Number Spiral
247
Odious Numbers
496
576
Pernicious Numbers
366
Prime Numbers
523
Prime Numbers (Long)
556
Quine
946
Sierpiński Triangle
99
Tongue-twisters
498
√2
697