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The dekastaculated-tethrathoth is equal to E100#^^##10 using Extended Cascading-E Notation.[1] The term was coined by Sbiis Saibian.

Approximations in other notations[]

Notation Approximation
BEAF \(X \uparrow\uparrow\uparrow 11\ \&\ 100\) (Non-climbing)

\(X \uparrow\uparrow 10X\ \&\ 100\) (Climbing)

Bird's array notation \(\{100,10[1\backslash1\backslash2]2\}\)
Fast-growing hierarchy \(f_{\zeta_0[{10}]}(100)\)
Hardy hierarchy \(H_{\zeta_0[{10}]}(101)\)
Slow-growing hierarchy ???

Sources[]

  1. Saibian, Sbiis. 4.3.7 Extended Cascading-E Numbers Part IOne to Infinity. Retrieved 2017-01-02.
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