Petorial

The petorial is a function invented by Aarex Tiaokhiao.Nested Factorial Notation - Aarex's Large Numbers (archived) It's a type of nested factorial notation.
The function is denoted and defined as n!3 = ((n!)!)!.
==Table of values==
n	((n!)!)!
0	1
1	1
2	2
3	2.6012*101746
4	101.4492*1035
5	101.3271*10201
== Sources ==
Category:Factorials
Category:Functions
Category:Notations