12 Days of Christmas
352
99 Bottles of Beer
579
273
Abundant Numbers
671
Arrows
468
Christmas Trees
445
Collatz
760
Emirp Numbers
401
Fibonacci
797
766
Fizz Buzz
946
Foo Fizz Buzz Bar
930
Leap Years
800
623
Look and Say
46
Niven Numbers
587
Niven Numbers (Long)
649
Number Spiral
208
Prime Numbers
665
563
Prime Numbers (Long)
603
Quine
500605964581492634466969687
Tongue-twisters
344