Deutero-pentacthulhum is equal to E100#^^^#*#^^^#100 using Extended Cascading-E notation.[1] The term was coined by Sbiis Saibian.

Approximations

Notation Approximation
Fast-growing hierarchy (with this system of fundamental sequences) \(f_{\omega^{\varphi(1,0,0)\times 2} }(100)\)
\(=f\)\(_{\Gamma_0}\)\(_{\! ^{2}}(100)\)

Sources

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