The pententet is equal to s(4,4,4,4,4) in strong array notation.[1] It's also equal to s(4,4{2}2) = s(4,4,1,1,1,2{2}1) = s(4,4,1,1,1,2) = s(4,4,4,4,4,1) in extended array notation.


It is likely pronounced as so:


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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