%I #9 Oct 15 2024 14:28:34

%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).

%C Empirical g.f. confirmed similar to A153497 and A153498. - _Ray Chandler_, Oct 15 2024

%H <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (5, -14, 50, -56, 80, -64).

%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