12 Days of Christmas
764
99 Bottles of Beer
507
476
Abundant Numbers
699
Arrows
426
Christmas Trees
318
Collatz
907
Emirp Numbers
496
Fibonacci
483
766
Fizz Buzz
935
Foo Fizz Buzz Bar
912
Leap Years
520
623
Look and Say
57
Niven Numbers
587
Niven Numbers (Long)
649
Number Spiral
256
Prime Numbers
452
563
Prime Numbers (Long)
603
Quine
513605614581492634466969687
Tongue-twisters
610