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A164396 Number of binary strings of length n with no substrings equal to 0001 or 0110 1
14, 24, 41, 70, 120, 205, 350, 597, 1018, 1736, 2960, 5047, 8605, 14671, 25013, 42645, 72706, 123957, 211335, 360306, 614287, 1047300, 1785545, 3044181, 5190033, 8848502, 15085836, 25719884, 43849902, 74759820, 127458225, 217303882 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,1

LINKS

R. H. Hardin, Table of n, a(n) for n=4..500

Index entries for linear recurrences with constant coefficients, signature (2,0,-1,0,1,-1).

FORMULA

G.f. -x^4*(-14+4*x+7*x^2-2*x^3-4*x^4+8*x^5) / ( (x-1)*(x^5+x^2+x-1) ). - R. J. Mathar, Nov 30 2011

CROSSREFS

Sequence in context: A164406 A164397 A164399 * A164404 A164400 A164405

Adjacent sequences:  A164393 A164394 A164395 * A164397 A164398 A164399

KEYWORD

nonn

AUTHOR

R. H. Hardin Aug 14 2009

STATUS

approved

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Last modified March 28 02:40 EDT 2017. Contains 284182 sequences.