12 Days of Christmas
732
99 Bottles of Beer
271
Abundant Numbers
552
Arabic to Roman
350
Arrows
131
Catalan Numbers
243
Christmas Trees
151
Collatz
374
CSS Colors
109
Cubes
52
Diamonds
146
Divisors
298
Emirp Numbers
406
Emojify
234
Evil Numbers
184
Fibonacci
195
Fizz Buzz
284
Foo Fizz Buzz Bar
369
Fractions
257
Happy Numbers
253
Happy Numbers (Long)
290
Intersection
303
ISBN
347
Levenshtein Distance
327
Leyland Numbers
257
Look and Say
511