12 Days of Christmas
413
99 Bottles of Beer
576
Abundant Numbers
503
Abundant Numbers (Long)
523
Christmas Trees
124
Divisors
490
608465
Emirp Numbers
300
Emirp Numbers (Long)
291
Evil Numbers
521
Evil Numbers (Long)
553
Fibonacci
291
447
Fizz Buzz
446578953895884
Foo Fizz Buzz Bar
346864859
Happy Numbers
555
Happy Numbers (Long)
573
Leap Years
352
458
Niven Numbers
569
Niven Numbers (Long)
663
Prime Numbers
515
Prime Numbers (Long)
526
λ
492