12 Days of Christmas
356
99 Bottles of Beer
334
Abundant Numbers
642
Arabic to Roman
207
Christmas Trees
565
CSS Colors
93
Cubes
378
Diamonds
278
Divisors
699
Emirp Numbers
400
Evil Numbers
727
Fibonacci
703307789
Fizz Buzz
692
Happy Numbers
325
Leap Years
588
Levenshtein Distance
251
Look and Say
476
Morse Decoder
204
Morse Encoder
132
Niven Numbers
654
Odious Numbers
512
725
Ordinal Numbers
498
Pangram Grep
618
Pascal’s Triangle
508
Pernicious Numbers
662
Prime Numbers
426
545
Roman to Arabic
350
Seven Segment
368
Sierpiński Triangle
183
Tongue-twisters
307
United States
132