12 Days of Christmas
276
99 Bottles of Beer
561
Abundant Numbers
474
Abundant Numbers (Long)
533
Christmas Trees
125
Divisors
496
619443
Emirp Numbers
269
Emirp Numbers (Long)
298
Evil Numbers
524
Evil Numbers (Long)
553
Fibonacci
292
450
Fizz Buzz
447579955899809
Foo Fizz Buzz Bar
346864859
Happy Numbers
408
Happy Numbers (Long)
584
Leap Years
354
461
Niven Numbers
579
Niven Numbers (Long)
681
Prime Numbers
517
Prime Numbers (Long)
531
λ
206