Abundant Numbers
707
Abundant Numbers (Long)
840
Arabic to Roman
685
Catalan Numbers
714
Christmas Trees
610
Collatz
854
Day of Week
832
Divisors
890
Emirp Numbers
574
Emirp Numbers (Long)
629
Evil Numbers
785
Evil Numbers (Long)
769
Fibonacci
935
Fizz Buzz
929
Foo Fizz Buzz Bar
900
Fractions
701
Happy Numbers
660
Happy Numbers (Long)
752
Intersection
802
Kolakoski Sequence
797
Leap Years
771
Leyland Numbers
797
Lucky Numbers
647
Niven Numbers
722
Niven Numbers (Long)
788
Odious Numbers
816
Odious Numbers (Long)
797
Ordinal Numbers
789
Pangram Grep
834
Pascal’s Triangle
711
Pernicious Numbers
434
Pernicious Numbers (Long)
443
Prime Numbers
613
Prime Numbers (Long)
649
Recamán
785
Repeating Decimals
532
Reverse Polish Notation
685