12 Days of Christmas
358
99 Bottles of Beer
337
Abundant Numbers
653
Arabic to Roman
213
Christmas Trees
574
CSS Colors
97
Cubes
384
Diamonds
284
Divisors
711
Emirp Numbers
407
Evil Numbers
741
Fibonacci
717
318
800
Fizz Buzz
697
Happy Numbers
331
Leap Years
597
Levenshtein Distance
258
Look and Say
488
Morse Decoder
208
Morse Encoder
135
Niven Numbers
667
Odious Numbers
529
741
Ordinal Numbers
512
Pangram Grep
635
Pascal’s Triangle
521
Pernicious Numbers
678
Prime Numbers
439
556
Roman to Arabic
361
Seven Segment
377
Sierpiński Triangle
187
Tongue-twisters
309
United States
135