Abundant Numbers
645
Christmas Trees
505
Collatz
204
750
Divisors
560
Emirp Numbers
379
Evil Numbers
517
678
Fibonacci
337
474504
Fizz Buzz
624567609726
Foo Fizz Buzz Bar
742
Fractions
570
Gijswijt’s Sequence
96
Leap Years
590
443
Niven Numbers
688
Number Spiral
208
Odious Numbers
530
588
Pernicious Numbers
506
Prime Numbers
533
Prime Numbers (Long)
571
Quine
969
Sierpiński Triangle
134
Tongue-twisters
279
√2
710