12 Days of Christmas
950
Abundant Numbers
729
Abundant Numbers (Long)
799
Arabic to Roman
622
Arithmetic Numbers
745
Ascending Primes
454
Catalan Numbers
891
Christmas Trees
617
Collatz
743
Day of Week
659
Divisors
857
Evil Numbers
981
Evil Numbers (Long)
950
Farey Sequence
503
Fibonacci
602934
Fizz Buzz
713939
Foo Fizz Buzz Bar
928
Fractions
847
Happy Numbers
560
Happy Numbers (Long)
696
ISBN
655
Leap Years
756
Look and Say
780
Lucky Numbers
694
Niven Numbers
785
Niven Numbers (Long)
869
Odious Numbers
851
Odious Numbers (Long)
847
Ordinal Numbers
738
Pangram Grep
733
Pascalβs Triangle
903
Pernicious Numbers
782
Pernicious Numbers (Long)
811
Prime Numbers
957
Prime Numbers (Long)
701
Quine
967946
Roman to Arabic
528
Tongue-twisters
403
Vampire Numbers
588