12 Days of Christmas
427326353114
354
99 Bottles of Beer
422
403388
Catalan’s Constant
103
Day of Week
630
Divisors
799
Fizz Buzz
335
745
847
Foo Fizz Buzz Bar
782
739
Happy Numbers
123
Happy Numbers (Long)
115184
Leap Years
557
Look and Say
559
Prime Numbers
401
360206
327
Tongue-twisters
317
United States
81