12 Days of Christmas
759
99 Bottles of Beer
561
473
Abundant Numbers
688
Arrows
414
Christmas Trees
415
Collatz
887
Emirp Numbers
486
Fibonacci
763
756
Fizz Buzz
929
Foo Fizz Buzz Bar
899
Leap Years
774
614
Look and Say
56
Niven Numbers
577
Niven Numbers (Long)
634
Number Spiral
247
Prime Numbers
651
553
Prime Numbers (Long)
586
Quine
492573900564463599430946638
Tongue-twisters
606