12 Days of Christmas
864
99 Bottles of Beer
683
Abundant Numbers
795
Arabic to Roman
486
Christmas Trees
786
Divisors
882
Emirp Numbers
603
Evil Numbers
658
Fibonacci
950
Fizz Buzz
784
Foo Fizz Buzz Bar
735
Happy Numbers
653
Leap Years
855
Niven Numbers
907
Odious Numbers
662
Ordinal Numbers
668
Pangram Grep
778
Pascalβs Triangle
605
Pernicious Numbers
651
Prime Numbers
769
Roman to Arabic
679
Seven Segment
470
Spelling Numbers
United States
300
Ξ»
266
Ο
139
Ο
137
Ο
101
β2
87
π
121