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a(n) = the smallest positive integer non-coprime to both n and sigma(n), where sigma(n) is the sum of divisors of n.
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%I #6 Apr 09 2014 10:15:04

%S 6,6,14,10,2,14,6,39,2,22,2,26,2,3,62,34,3,38,2,6,2,46,2,155,2,6,2,58,

%T 2,62,6,3,2,10,14,74,2,6,2,82,2,86,2,3,2,94,2,21,6,3,2,106,2,10,2,6,2,

%U 118,2,122,2,6,254,10,2,134,2,3,2,142,3,146,2,6,2,14,2,158,2,33,2,166,2,10

%N a(n) = the smallest positive integer non-coprime to both n and sigma(n), where sigma(n) is the sum of divisors of n.

%F a(n) = A141327(n, A000203(n)).

%Y Cf. A141327, A141377, A141379.

%K nonn

%O 2,1

%A _Leroy Quet_, Jun 28 2008

%E Extended by _Ray Chandler_, Jun 24 2009