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A164506 Number of binary strings of length n with no substrings equal to 0011 0110 or 1001 1

%I

%S 13,22,37,62,104,174,291,486,812,1356,2265,3782,6316,10546,17611,

%T 29406,49104,81992,136913,228614,381744,637430,1064387,1777302,

%U 2967748,4955524,8274745,13817126,23071844,38525274,64329483,107417166,179365064

%N Number of binary strings of length n with no substrings equal to 0011 0110 or 1001

%H R. H. Hardin, <a href="/A164506/b164506.txt">Table of n, a(n) for n=4..500</a>

%H <a href="/index/Rec">Index entries for linear recurrences with constant coefficients</a>, signature (2,0,-2,3,-2)

%F G.f. -x^4*(-13+4*x+7*x^2-14*x^3+15*x^4) / ( (x-1)*(2*x^4-x^3+x^2+x-1) ). - R. J. Mathar, Jan 19 2011

%t LinearRecurrence[{2,0,-2,3,-2},{13,22,37,62,104},40] (* _Harvey P. Dale_, Oct 17 2020 *)

%K nonn

%O 4,1

%A _R. H. Hardin_ Aug 14 2009

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Last modified September 23 20:42 EDT 2021. Contains 347617 sequences. (Running on oeis4.)