12 Days of Christmas
853
99 Bottles of Beer
811
Arabic to Roman
579
Christmas Trees
629
Emirp Numbers
567
Evil Numbers
574
Fibonacci
676
Fizz Buzz
746
Happy Numbers
583
Odious Numbers
529
609
Pangram Grep
Pernicious Numbers
509
Prime Numbers
554
633
Roman to Arabic
Seven Segment
503
Spelling Numbers