A generalization of the factorial and double factorial,
(1)
| |||
(2)
| |||
(3)
|
etc., where the products run through positive integers.
The following table lists the values of the first few multifactorials for , 2, ....
A generalization of the factorial and double factorial,
(1)
| |||
(2)
| |||
(3)
|
etc., where the products run through positive integers.
The following table lists the values of the first few multifactorials for , 2, ....
Weisstein, Eric W. "Multifactorial." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Multifactorial.html