12 Days of Christmas
332
99 Bottles of Beer
155
Abundant Numbers
527
Arabic to Roman
249
Arrows
109
Catalan Numbers
242
Christmas Trees
131
Collatz
313
CSS Colors
48
Cubes
35
Diamonds
121
Divisors
276
Emirp Numbers
328
Emojify
199
Evil Numbers
183
Fibonacci
195
Fizz Buzz
259
Foo Fizz Buzz Bar
293
Fractions
219
Happy Numbers
195
Happy Numbers (Long)
244
Intersection
221
ISBN
270
Levenshtein Distance
255
Leyland Numbers
217
Look and Say
412