12 Days of Christmas
556
99 Bottles of Beer
665
Abundant Numbers
752
Arabic to Roman
480
Christmas Trees
782
Divisors
881
Emirp Numbers
522
Evil Numbers
641
Fibonacci
938
Fizz Buzz
781
Foo Fizz Buzz Bar
728
Happy Numbers
544
Leap Years
824
Niven Numbers
902
Odious Numbers
653
Ordinal Numbers
664
Pangram Grep
776
Pascalβs Triangle
604
Pernicious Numbers
650
Prime Numbers
718
Roman to Arabic
666
Seven Segment
451
Spelling Numbers
United States
245
Ξ»
213
Ο
138
Ο
136
Ο
100
β2
85
π
119