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Tetorial
AuthorAarexGoogology
Year2016?

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

It's a type of nested factorial notation. The function is denoted and defined as n!! = (n!)!.

Table of values

n (n!)!
0 1
1 1
2 2
3 720
4 6.2045*1023
5 6.6895*10198
6 2.6012*101746

Sources

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