12 Days of Christmas
935
Abundant Numbers
727
Abundant Numbers (Long)
796
Arabic to Roman
623
Arithmetic Numbers
741
Ascending Primes
454
Catalan Numbers
888
Christmas Trees
615
Collatz
743
Day of Week
662
Divisors
837
Evil Numbers
980
Evil Numbers (Long)
949
Farey Sequence
505
Fibonacci
597932
Fizz Buzz
710938
Foo Fizz Buzz Bar
929
Fractions
849
Happy Numbers
558
Happy Numbers (Long)
693
ISBN
653
Leap Years
754
Look and Say
775
Lucky Numbers
678
Niven Numbers
780
Niven Numbers (Long)
863
Odious Numbers
849
Odious Numbers (Long)
844
Ordinal Numbers
729
Pangram Grep
730
Pascal’s Triangle
900
Pernicious Numbers
779
Pernicious Numbers (Long)
804
Prime Numbers
956
Prime Numbers (Long)
700
Quine
962945
Roman to Arabic
525
Tongue-twisters
398
Vampire Numbers
586