Terrible thrice-tethrasecunda

Terrible thrice-tethrasecunda is equal to E100(((#^^##)^^##)^^##)^^#100 using Cascading-E notation. This term was coined by MtrgBMovies.MtrgBMovies' Tethrathoth Series Accessed 2023-03-20.
==Approximations==
Notation 	Approximation
Bird's array notation 	\(\{100,100 [1 \backslash 2 \backslash 4] 2\}\)
Fast-growing hierarchy	\(f_{\epsilon_{\zeta_2}}(100)\)
== Sources ==
Category:Numbers
Category:Numbers by MtrgBMovies
Category:Extended Cascading-E numbers
Category:Binary phi level