## FANDOM

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Hexadecation refers to the 16th hyperoperation starting from addition. It is equal to $$a \uparrow^{14} b$$ in Knuth's up-arrow notation.

Hexadecation can be written in array notation as $$\{a,b,14\}$$ and in chained arrow notation as $$a \rightarrow b \rightarrow 14$$.

Hexadecational growth rate is equivalent to $$f_15(n)$$ in the fast-growing hierarchy.

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