Abundant Numbers
703
Abundant Numbers (Long)
821
Arabic to Roman
685
Catalan Numbers
710
Christmas Trees
606
Collatz
789
Day of Week
835
Divisors
886
Emirp Numbers
564
Emirp Numbers (Long)
618
Evil Numbers
784
Evil Numbers (Long)
766
Fibonacci
932
Fizz Buzz
926
Foo Fizz Buzz Bar
895
Fractions
701
Happy Numbers
656
Happy Numbers (Long)
747
Intersection
799
Kolakoski Sequence
795
Leap Years
769
Leyland Numbers
792
Lucky Numbers
641
Niven Numbers
716
Niven Numbers (Long)
780
Odious Numbers
814
Odious Numbers (Long)
794
Ordinal Numbers
777
Pangram Grep
830
Pascal’s Triangle
709
Pernicious Numbers
433
Pernicious Numbers (Long)
440
Prime Numbers
613
Prime Numbers (Long)
647
Recamán
778
Repeating Decimals
534
Reverse Polish Notation
674