12 Days of Christmas
507
99 Bottles of Beer
471
Abundant Numbers
297
Christmas Trees
259
CSS Colors
169
Diamonds
207
Divisors
395
Emirp Numbers
Fibonacci
395
Fizz Buzz
420365406
Happy Numbers
214
Intersection
244
Leap Years
388
Morse Decoder
141
Morse Encoder
126
Niven Numbers
315
Prime Numbers
267
Seven Segment
172
Sierpiński Triangle
266
Tongue-twisters
562
United States
159