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Hexenpent is equal to s(5,5,5,5,5,5) in strong array notation.[1] It's also equal to s(5,5{2}2) in extended array notation.

Approximations

Notation Approximation
BEAF {5,6,4,5,5,5}
Bird's array notation {5,6,4,5,5,5}
Hyper-E notation E[5}5#####6 (Extended Hyper-E notation)
Fast-growing hierarchy \(f_{\omega^34+\omega^24+\omega4+4}(5)\)
Hardy hierarchy \(H_{\omega^{\omega^34+\omega^24+\omega4+4} }(5)\)

Sources

See also

Hyp cos' linear strong array notation numbers | exAN numbers
3-entry series
Tribo group: tribo · tetbo · pentbo · hexabo
Trientri group: trientri · tettro · pentro · hextro
Trientet group: triteto · trientet · penteto · hexteto
Trienpent group: tripeno · tetpeno · trienpent · hexpeno
Trienhex group: trihexo · tethexo · penhexo · trienhex

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