Abundant Numbers
676
Abundant Numbers (Long)
741
Arabic to Roman
489
Catalan Numbers
710
Christmas Trees
529
Collatz
714
Day of Week
669
Divisors
824
Emirp Numbers
464
Emirp Numbers (Long)
520
Evil Numbers
784
Evil Numbers (Long)
767
Fibonacci
932
Fizz Buzz
847
Foo Fizz Buzz Bar
714
Fractions
597
Happy Numbers
509
Happy Numbers (Long)
633
Intersection
585
Kolakoski Sequence
780
Leap Years
768
Leyland Numbers
673
Lucky Numbers
618
Niven Numbers
715
Niven Numbers (Long)
780
Odious Numbers
814
Odious Numbers (Long)
794
Ordinal Numbers
634
Pangram Grep
703
Pascal’s Triangle
657
Pernicious Numbers
433
Pernicious Numbers (Long)
430
Prime Numbers
613
Prime Numbers (Long)
647
Recamán
702
Repeating Decimals
392
Reverse Polish Notation
498