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
755
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
650
552
Prime Numbers (Long)
586
Quine
491572899564463599429946637
Tongue-twisters
606