The Squarepercoxal is 10(≡{≡}≡`2) = 10(≡≡...≡≡`2) (with Equinoxal ≡'s) using Dual Percoxy Notation.[1] The term was coined by Matthew Tainsh in 2016.
The name of this number is based on Equinoxal, "percoxy" and "square".
Googology Wiki