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A023584 Greatest exponent in prime-power factorization of 2*p(n)-1. 2

%I

%S 1,1,2,1,1,2,1,1,2,1,1,1,4,1,1,1,2,2,1,1,1,1,1,1,1,1,1,1,1,2,1,2,1,1,

%T 3,1,1,2,2,1,1,2,1,1,1,1,1,1,1,1,1,2,1,1,3,2,1,1,1,1,1,2,1,3,4,1,1,1,

%U 2,1,1,1,1,1,1,2,1,1,2,1,3,2,1,1,1,1,1,1,1,2,1,1,1,2,1,1,2,1,1

%N Greatest exponent in prime-power factorization of 2*p(n)-1.

%H Harvey P. Dale, <a href="/A023584/b023584.txt">Table of n, a(n) for n = 1..1000</a>

%t Max[Transpose[FactorInteger[2 #-1]][[2]]]&/@Prime[Range[100]] (* _Harvey P. Dale_, Dec 12 2012 *)

%K nonn

%O 1,3

%A _Clark Kimberling_

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Last modified June 23 21:56 EDT 2021. Contains 345402 sequences. (Running on oeis4.)