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Lineicosans is equal to [20,1] = 48↑↑21 ~ E80#20 using PlantStar's Debut Notation.[1] The term was coined by PlantStar.

Approximations

Notation Approximation
Arrow notation \(48\uparrow\uparrow21\) (exact)
Chained arrow notation \(48\rightarrow21\rightarrow2\) (exact)
Steinhaus-Moser Notation 21[4]
Taro's multivariable Ackermann function A(4,21)
BEAF {48,21,2} (exact)
Bird's array notation {48,21,2} (exact)
Hyper-E notation E[48]1#21 (exact)
Hyper-E notation (base 10 equivalent) E80#20
Strong array notation s(48,21,2) (exact)
Hyperfactorial array notation 23!1
Fast-growing hierarchy \(f_{3}(20)\)
Hardy hierarchy \(H_{ω^3}(20)\)
Slow-growing hierarchy \(g_{\omega↑↑{21}}(48)\) (exact)

Sources

See also

Lineus series: lineus · planus · spacus · tetrus · pentus · hexus · heptus · octus · nonus · decus · undecus · duodecus · tredecus · vigintus · trigintus · quadragintus
Lineans series: lineans · centus · millus · planans · spacans · tetrans · pentans · decans · vigintans · trigintans · quadragintans · lineduans · centans · planduans · spacduans · decduans · viginduans · linetrians · plantrians · spactrians · dectrians · linequadrans · planquadrans · decquadrans · linequintans · decquintans · linesextans · lineseptans · lineoctans · linenovans · linedecans · lineundecans · linedodecans · linetridecans · lineicosans · linetriacontans · linetetracontans
Enalineans series: enalineans · enaplanans · enaspacans · enadecans · enalineduans · enadecduans · enalinetrians · enalinedecans · enalineicosans · diolineans · dioplanans · diodecans · diolineduans · diolinetrians · diolinedecans · trialineans · triaplanans · trialineduans · trialinedecans · tesseralineans · tesseralineduans · pendelineans · exilineans · eptalineans · oktolineans · enealineans

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