Penintastaculated-tethracross

Penintastaculated-tethracross is equal to E100#^^###50 using Extended Cascading-E Notation. The term was coined by Sbiis Saibian.
==Approximations==
Notation 	Approximation
BEAF (using Array of operation)	X↑↑X3 & 50 (debatable)
Bird's Array Notation 	\(\{100,50[1 \backslash 1 \backslash 1 \backslash 2]2\}\)
Fast-growing hierarchy 	\(f_{\eta_0[50]}(100)\)
Hardy hierarchy 	\(H_{\eta_0[50]}(101)\)
== Sources ==
Category:Numbers
Category:Numbers by Sbiis Saibian
Category:Extended Cascading-E numbers
Category:Binary phi level
Category:Tethracross regiment