Abundant Numbers
678
Abundant Numbers (Long)
745
Arabic to Roman
489
Catalan Numbers
714
Christmas Trees
531
Collatz
716
Day of Week
667
Divisors
844
Emirp Numbers
466
Emirp Numbers (Long)
523
Evil Numbers
785
Evil Numbers (Long)
769
Fibonacci
935
Fizz Buzz
848
Foo Fizz Buzz Bar
715
Fractions
596
Happy Numbers
512
Happy Numbers (Long)
637
Intersection
589
Kolakoski Sequence
781
Leap Years
770
Leyland Numbers
679
Lucky Numbers
624
Niven Numbers
719
Niven Numbers (Long)
786
Odious Numbers
816
Odious Numbers (Long)
797
Ordinal Numbers
643
Pangram Grep
707
Pascal’s Triangle
659
Pernicious Numbers
434
Pernicious Numbers (Long)
435
Prime Numbers
613
Prime Numbers (Long)
649
Recamán
708
Repeating Decimals
391
Reverse Polish Notation
497