Abundant Numbers
703
Abundant Numbers (Long)
835
Arabic to Roman
685
Catalan Numbers
711
Christmas Trees
606
Collatz
789
Day of Week
835
Divisors
871
Emirp Numbers
564
Emirp Numbers (Long)
602
Evil Numbers
784
Evil Numbers (Long)
767
Fibonacci
933
Fizz Buzz
926
Foo Fizz Buzz Bar
895
Fractions
701
Happy Numbers
657
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)
648
Recamán
778
Repeating Decimals
535
Reverse Polish Notation
675