# The "Beautiful" Formula

• A

## Main Question or Discussion Point

Hi,
Can someone please decipher the following "beautiful" formula for me?

http://mathworld.wolfram.com/ReciprocalMultifactorialConstant.html

m(19)=1/19!!!!!+?+?+.....
* What is the next/previous addend in the series sum?

jedishrfu
Mentor
I think there's a mistake in the MathWorld formula the summation of n=0 should be k=0

$m(n) = 1/( n! ) + 1/( n! * (n-1)! ) + 1/( n! * (n-1)! * (n-2)! ) + ...$