Doedecation refers to the 12th hyperoperation starting from addition. It is equal to the binary function \(\uparrow^{10}\), where Arrow Notation is used.[1]
n doedecated to m is n undecated to n undecated to ... undecated to n (m n's).
"a doedecated to b" can be written in array notation as \(\{a,b,10\}\), in chained arrow notation as \(a \rightarrow b \rightarrow 10\) and in Hyper-E notation as E[a]1#1#1#1#1#1#1#1#1#b.
Doedecational growth rate is approximately equivalent to \(f_{11}(n)\) in the fast-growing hierarchy.
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Main article: hyper operator
Hyper-operators: successor · addition · multiplication · exponentiation · tetration · pentation · hexation · heptation · octation · enneation · decation (un/doe/tre) · vigintation (doe) · trigintation · centation (tri) · docentation · myriation · circulationBowers' extensions: expansion · multiexpansion · powerexpansion · expandotetration · explosion (multi/power/tetra) · detonation · pentonation
Saibian's extensions: hexonation · heptonation · octonation · ennonation · deconation
Tiaokhiao's extensions: megotion (multi/power/tetra) · megoexpansion (multi/power/tetra) · megoexplosion · megodetonation · gigotion (expand/explod/deto) · terotion · more...