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A016025 Least k such that (tau(k^k)+k-1)/k=n. 3


%S 1,2,4,8,16,32,64,128,6,512,1024,2048,10,8192,16384,32768,14,15,

%T 262144,524288,1048576,2097152,4194304,21,22,33554432,67108864,12,26,

%U 536870912,1073741824,2147483648,4294967296,8589934592,17179869184,33,34,35

%N Least k such that (tau(k^k)+k-1)/k=n.

%C a(n) <= 2^(n-1); if a lesser solution k exists, then it must have more than one distinct prime factor and k < n. - Chandler

%K nonn

%O 1,2

%A _Robert G. Wilson v_

%E More terms from _Robert G. Wilson v_, Aug 06 2005

%E Definition corrected by Vladeta Jovovic, Sep 03 2005

%E a(30)-a(38) from _Ray Chandler_, Dec 05 2008

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Last modified December 2 14:48 EST 2021. Contains 349445 sequences. (Running on oeis4.)