12 Days of Christmas
420
99 Bottles of Beer
590
Abundant Numbers
560
Abundant Numbers (Long)
570
Christmas Trees
133
Divisors
520
645475
Emirp Numbers
321
Emirp Numbers (Long)
321
Evil Numbers
551
Evil Numbers (Long)
592
Fibonacci
303
466
Fizz Buzz
456593966918892
Foo Fizz Buzz Bar
363888903
Happy Numbers
598
Happy Numbers (Long)
634
Leap Years
387
489
Niven Numbers
609
Niven Numbers (Long)
725
Prime Numbers
544
Prime Numbers (Long)
570
λ
534