Extentril

is equal to s(3,3{1`2}3) using Strong array notationLeung, Hayden. My BAN and SAN numbers. Hayden's Big Numbers. Retrieved 2024-02-04.. This term was coined by wiki user .
== Approximations ==
Notation 	Approximation
Extended Cascading-E Notation 	\(\text{E}[3]3\#\text{^^}\#3\#\text{^}\#\text{^}\#\text{^}\#\text{^}\#3\)
DeepLineMadom's Array Notation 	\(3[1\{1/2\}3]3\)
Fast-growing hierarchy 	\(f_{\varepsilon_0+\omega^{\omega^{\omega^{\omega^\omega}}}}(3)\)
Hardy hierarchy 	\(H_{\varepsilon_0\times\omega^{\omega^{\omega^{\omega^{\omega^\omega}}}}}(3)\)
Slow-growing hierarchy (with this system of fundamental sequences)	\(g_{\psi_0(\Omega_2 +\psi_1(\Omega_2))}(3)\)
== Sources ==
Category:Numbers
Category:Numbers by HaydenTheGoogologist2009
Category:Strong array notation numbers
Category:Epsilon level
Category:Unformalised