Abundant Numbers
678
Abundant Numbers (Long)
743
Arabic to Roman
488
Catalan Numbers
713
Christmas Trees
531
Collatz
715
Day of Week
666
Divisors
844
Emirp Numbers
465
Emirp Numbers (Long)
522
Evil Numbers
785
Evil Numbers (Long)
767
Fibonacci
934
Fizz Buzz
848
Foo Fizz Buzz Bar
714
Fractions
595
Happy Numbers
512
Happy Numbers (Long)
636
Intersection
588
Kolakoski Sequence
795
Leap Years
770
Leyland Numbers
678
Lucky Numbers
634
Niven Numbers
719
Niven Numbers (Long)
785
Odious Numbers
816
Odious Numbers (Long)
796
Ordinal Numbers
642
Pangram Grep
707
Pascal’s Triangle
659
Pernicious Numbers
434
Pernicious Numbers (Long)
434
Prime Numbers
613
Prime Numbers (Long)
648
Recamán
707
Repeating Decimals
390
Reverse Polish Notation
495