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%I #7 Sep 17 2013 06:40:46
%S 1,5,17,85,365,1365,5285,21845,88757,349525,1387157,5592405,22457045,
%T 89478485,357214805,1431655765,5732215637,22906492245,91581229397,
%U 366503875925,1466373418325,5864062014805,23453384746325,93824992236885
%N a(n) is the number whose binary expansion is A153500(n).
%F Empirical g.f.: -x*(64*x^6-80*x^5+16*x^4-20*x^3-6*x^2-1) / ((x-1)*(4*x-1)*(2*x^2+1)*(8*x^2+1)). - _Colin Barker_, Sep 17 2013
%Y Cf. A135576, A153497, A153498, A153500.
%K easy,nonn
%O 1,2
%A _Omar E. Pol_, Dec 27 2008
%E More terms from _R. J. Mathar_, Feb 20 2009
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