12 Days of Christmas
327
99 Bottles of Beer
155
Abundant Numbers
527
Arabic to Roman
249
Arrows
108
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
292
Fractions
219
Happy Numbers
195
Happy Numbers (Long)
245
Intersection
221
ISBN
270
Levenshtein Distance
254
Leyland Numbers
217
Look and Say
412