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A164422 Number of binary strings of length n with no substrings equal to 0000 0010 or 1010 1

%I

%S 13,21,35,60,102,171,287,484,817,1377,2319,3907,6585,11098,18701,

%T 31512,53102,89486,150797,254112,428212,721597,1215992,2049113,

%U 3453034,5818835,9805537,16523676,27844658,46922064,79070112,133243983,224534381

%N Number of binary strings of length n with no substrings equal to 0000 0010 or 1010

%H R. H. Hardin, <a href="/A164422/b164422.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 (1,0,1,1,1).

%F G.f. -x^4*(13+8*x+14*x^2+12*x^3+8*x^4) / ( -1+x+x^3+x^4+x^5 ). - R. J. Mathar, Dec 01 2011

%K nonn

%O 4,1

%A _R. H. Hardin_ Aug 14 2009

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Last modified January 30 22:45 EST 2023. Contains 359947 sequences. (Running on oeis4.)