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%I #11 Mar 11 2014 01:32:32
%S 1,1,3,1,5,3,7,1,3,5,11,3,13,7,15,1,17,3,19,5,7,11,23,3,25,13,27,7,29,
%T 15,31,1,3,17,7,3,37,19,39,5,41,7,43,11,15,23,47,3,7,25,51,13,53,27,
%U 55,7,57,29,59,15,61,31,63,1,5,3,67,17,69,7,71,3,73,37,15,19,77,39,79,5,81
%N a(n) = the smallest divisor of n that contains the same number of 1's as n when both numbers are written in binary.
%H Paul Tek, <a href="/A161398/b161398.txt">Table of n, a(n) for n = 1..10000</a>
%Y Cf. A161399.
%K base,nonn
%O 1,3
%A _Leroy Quet_, Jun 09 2009
%E More terms from _Sean A. Irvine_, Oct 22 2009
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