12 Days of Christmas
478
99 Bottles of Beer
462
Abundant Numbers
297
Christmas Trees
259
CSS Colors
136
Diamonds
207
Divisors
395
Emirp Numbers
Fibonacci
395
Fizz Buzz
421365406
Happy Numbers
214
Intersection
244
Leap Years
388
Morse Decoder
173
Morse Encoder
155
Niven Numbers
315
Prime Numbers
267
Seven Segment
171
Sierpiński Triangle
319
Tongue-twisters
538
United States
158