Conway chained arrow notation: Difference between revisions

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{{short description|Means of expressing certain extremely large numbers}}{{More citations needed|date=April 2025}}

'''Conway chained arrow notation''', created by mathematician [[John Horton Conway]], is a means of expressing certain extremely [[large numbers]].<ref>John H. Conway & Richard K. Guy, The Book of Numbers, 1996, p.59-62</ref> It is simply a finite sequence of [[positive integers]] separated by rightward arrows, e.g. <math>2\to3\to4\to5\to6</math>.
 
As with most [[combinatorial]] notations, the definition is [[recursion|recursive]]. In this case the notation eventually resolves to being the leftmost number raised to some (usually enormous) integer power.