12 Days of Christmas
529
99 Bottles of Beer
506
Abundant Numbers
670
590
Divisors
740
Emirp Numbers
209
Emojify
303
Fibonacci
646
Fizz Buzz
396
522
656
572
538
751
533
661
290
449
369
639
Foo Fizz Buzz Bar
606
Leap Years
770
Niven Numbers
604
Odious Numbers
609
Ordinal Numbers
576
Pangram Grep
552
Pernicious Numbers
364
Prime Numbers
402
Prime Numbers (Long)
504
Tongue-twisters
330
United States