12 Days of Christmas
840
99 Bottles of Beer
839
Abundant Numbers
761
Abundant Numbers (Long)
876
Arithmetic Numbers
805
Ascending Primes
124
Christmas Trees
629
Collatz
924
Divisors
984
Emirp Numbers
441
Fibonacci
934
Fizz Buzz
976
Foo Fizz Buzz Bar
986
Happy Numbers
660
Happy Numbers (Long)
751
Kolakoski Sequence
634
Leap Years
550
Look and Say
549
Niven Numbers
666
Niven Numbers (Long)
751
Number Spiral
247
Prime Numbers
623
Prime Numbers (Long)
648
Quine
946
Van Eck Sequence
794