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Grand xappol is equal to {10,10 (2) 3} in BEAF.[1] The term was coined by Jonathan Bowers.

Approximations[]

Notation Approximation
Bird's array notation \(\{10,10 [3] 3\}\)
Cascading-E notation \(\textrm E10\#\textrm{^}\#\#10\#\textrm{^}\#\#10\)
Hyperfactorial Array Notation \(10![1,[2,1,3],1,2]\)
Fast-growing hierarchy \(f_{(\omega^{\omega^2})2}(10))\)
Hardy hierarchy \(H_{\omega^{(\omega^{\omega^2}) 2}}(10)\)
Slow-growing hierarchy (using this system

of fundamental sequences)

\(g_{\psi_0(\Omega^{\Omega^{\Omega^2}+\Omega^{\Omega\omega}})}(10)\)

Sources[]

  1. Bowers, JonathanInfinity Scrapers. Retrieved January 2013.