12 Days of Christmas
387
99 Bottles of Beer
480
Abundant Numbers
730
Abundant Numbers (Long)
778
Arithmetic Numbers
689
Ascending Primes
109
Christmas Trees
548
Collatz
777
Divisors
933
Emirp Numbers
535
Fibonacci
935
Fizz Buzz
891
Foo Fizz Buzz Bar
784
Happy Numbers
512
Happy Numbers (Long)
638
Kolakoski Sequence
624
Leap Years
550
Look and Say
448
Niven Numbers
665
Niven Numbers (Long)
751
Number Spiral
202
Prime Numbers
623
Prime Numbers (Long)
650
Quine
947
Van Eck Sequence
754