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%I
%S 13,22,37,63,106,180,304,515,871,1475,2496,4226,7153,12110,20500,
%T 34706,58754,99469,168396,285091,482651,817121,1383372,2342034,
%U 3965038,6712778,11364682,19240337,32573779,55147244,93364021,158064880,267603180
%N Number of binary strings of length n with no substrings equal to 0011 0110 or 1100
%H R. H. Hardin, <a href="/A164507/b164507.txt">Table of n, a(n) for n=4..500</a>
%H <a href="/index/Rea#recLCC">Index to sequences with linear recurrences with constant coefficients</a>, signature (2,0,-1,1,-1,0,-1).
%F G.f. -x^4*(-13+4*x+7*x^2-2*x^3+11*x^4+4*x^5+8*x^6) / ( 1-2*x+x^3-x^4+x^5+x^7 ). - R. J. Mathar, Jan 19 2011
%K nonn
%O 4,1
%A _R. H. Hardin_ Aug 14 2009
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