Abundant Numbers
889
Abundant Numbers (Long)
893
Fizz Buzz
712
Foo Fizz Buzz Bar
721
Happy Numbers
735
Happy Numbers (Long)
743
ISBN
620
625
756
Leap Years
793
N Queens
547
Niven Numbers
875
Niven Numbers (Long)
885
Odious Numbers
813
Odious Numbers (Long)
778
Pascal’s Triangle
625
Pernicious Numbers
567
Pernicious Numbers (Long)
649
Prime Numbers
579
Prime Numbers (Long)
619
Recamán
698
Transpose Sentence
750