12 Days of Christmas
381
99 Bottles of Beer
480
Abundant Numbers
727
Abundant Numbers (Long)
773
Arithmetic Numbers
683
Ascending Primes
108
Christmas Trees
545
Collatz
774
Divisors
911
Emirp Numbers
533
Fibonacci
932
Fizz Buzz
889
Foo Fizz Buzz Bar
781
Happy Numbers
509
Happy Numbers (Long)
634
Kolakoski Sequence
622
Leap Years
549
Look and Say
444
Niven Numbers
660
Niven Numbers (Long)
744
Number Spiral
201
Prime Numbers
622
Prime Numbers (Long)
648
Quine
945
Van Eck Sequence
751