12 Days of Christmas
912
Abundant Numbers
760
Abundant Numbers (Long)
902
Arabic to Roman
872
Arithmetic Numbers
874
Ascending Primes
521
Catalan Numbers
891
Christmas Trees
709
Collatz
887
Day of Week
822
Divisors
905
Evil Numbers
981
Evil Numbers (Long)
950
Farey Sequence
571
Fibonacci
602934
Fizz Buzz
718944
Foo Fizz Buzz Bar
909
Fractions
942
Happy Numbers
723
Happy Numbers (Long)
821
ISBN
839
Leap Years
757
Look and Say
773
Lucky Numbers
720
Niven Numbers
787
Niven Numbers (Long)
872
Odious Numbers
851
Odious Numbers (Long)
847
Ordinal Numbers
906
Pangram Grep
865
Pascalβs Triangle
923
Pernicious Numbers
782
Pernicious Numbers (Long)
827
Prime Numbers
957
Prime Numbers (Long)
701
Quine
967946
Roman to Arabic
697
Tongue-twisters
716
Vampire Numbers
796