Ultrafactorial

Author

Eric W. Weisstein
January 9, 2009

This notebook downloaded from http://mathworld.wolfram.com/notebooks/SpecialFunctions/Ultrafactorial.nb.

For more information, see Eric's MathWorld entry http://mathworld.wolfram.com/Ultrafactorial.html.

©2009 Wolfram Research, Inc. except for portions noted otherwise

Definition

FullSimplify[(((n!))^(n!))]

FunctionExpand[(((n!))^(n!))]//FullSimplify

l=Table[(((n!))^(n!)),{n,6}]

FindSequenceFunction[l,n]

FindLinearRecurrence[l,n]