12 Days of Christmas
912
Abundant Numbers
761
Abundant Numbers (Long)
889
Arabic to Roman
875
Arithmetic Numbers
866
Ascending Primes
517
Catalan Numbers
893
Christmas Trees
710
Collatz
824
Day of Week
825
Divisors
905
Evil Numbers
982
Evil Numbers (Long)
952
Farey Sequence
573
Fibonacci
603935
Fizz Buzz
719945
Foo Fizz Buzz Bar
910
Fractions
944
Happy Numbers
723
Happy Numbers (Long)
823
ISBN
841
Leap Years
757
Look and Say
774
Lucky Numbers
709
Niven Numbers
787
Niven Numbers (Long)
873
Odious Numbers
852
Odious Numbers (Long)
849
Ordinal Numbers
908
Pangram Grep
866
Pascal’s Triangle
924
Pernicious Numbers
782
Pernicious Numbers (Long)
830
Prime Numbers
957
Prime Numbers (Long)
702
Quine
959944
Roman to Arabic
699
Tongue-twisters
716
Vampire Numbers
798