12 Days of Christmas
350
99 Bottles of Beer
335
Abundant Numbers
640
Arabic to Roman
207
Christmas Trees
562
CSS Colors
93
Cubes
361
Diamonds
277
Divisors
683
Emirp Numbers
399
Evil Numbers
726
Fibonacci
701305787
Fizz Buzz
691
Happy Numbers
323
Leap Years
587
Levenshtein Distance
249
Look and Say
473
Morse Decoder
203
Morse Encoder
130
Niven Numbers
650
Odious Numbers
509
723
Ordinal Numbers
490
Pangram Grep
616
Pascal’s Triangle
506
Pernicious Numbers
660
Prime Numbers
426
545
Roman to Arabic
349
Seven Segment
361
Sierpiński Triangle
181
Tongue-twisters
303
United States
124