%N a(n) = the smallest positive integer that contains the same number of (non-leading) 0's as n when a(n) and n are written in binary, is not coprime to n, and is not a divisor of n.
%H H. v. Eitzen, <a href="/A161397/b161397.txt">Table of n, a(n) for n = 2..10000</a>.
%Y Cf. A145257, A161396.
%A _Leroy Quet_, Jun 09 2009
%E a(1) is undefined; offset corrected by _Hagen von Eitzen_, Jun 20 2009
%E Corrected and extended using terms from b-file. - _N. J. A. Sloane_, Aug 31 2009