Petorial
AuthorAarexGoogology
Year2016?

The petorial is a function invented by Aarex Tiaokhiao.[1] 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

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