12 Days of Christmas
356
99 Bottles of Beer
334
Abundant Numbers
642
Arabic to Roman
208
Christmas Trees
565
CSS Colors
93
Cubes
378
Diamonds
279
Divisors
700
Emirp Numbers
400
Evil Numbers
727
Fibonacci
704308789
Fizz Buzz
692
Happy Numbers
325
Leap Years
588
Levenshtein Distance
251
Look and Say
476
Morse Decoder
205
Morse Encoder
132
Niven Numbers
654
Odious Numbers
512
726
Ordinal Numbers
498
Pangram Grep
619
Pascal’s Triangle
508
Pernicious Numbers
663
Prime Numbers
426
545
Roman to Arabic
350
Seven Segment
368
Sierpiński Triangle
183
Tongue-twisters
303
United States
124