Tethrarxitri-by-deuteron

Tethrarxitri-by-deuteron is equal to E100#^^#^^#100#^^#^^#100. This term was coined by YouTuber Douglas Shamlin Jr.D. Shamlin Jr., Ultimate List of Large Numbers - Part 3 of 4 | Almost Done Already! (Reuploaded by Dr2xmillion). Accessed 2022-05-30.
==Approximations==
Notation 	Approximation
Bird's array notation 	\(\{100,100 [1 [1 [1 \backslash 2] 2 \neg 2] 2] 3\}\)
Fast-growing hierarchy (with this system of fundamental sequences)	\(f_{\varphi_{\varepsilon_0}(0)2}(100)\)
==Sources==
Category:Numbers
Category:Extended Cascading-E numbers
Category:Binary phi level
Category:Videos