The OEIS is supported by the many generous donors to the OEIS Foundation.

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A164418 Number of binary strings of length n with no substrings equal to 0000 0010 or 0101 1

%I

%S 13,22,38,66,115,200,347,601,1042,1808,3137,5442,9440,16375,28405,

%T 49274,85476,148275,257211,446181,773986,1342627,2329044,4040173,

%U 7008453,12157502,21089513,36583796,63461595,110086280,190965717,331266576

%N Number of binary strings of length n with no substrings equal to 0000 0010 or 0101

%H R. H. Hardin, <a href="/A164418/b164418.txt">Table of n, a(n) for n=4..500</a>

%H <a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,1,1,1,1,1).

%F G.f.: -x^4*(13+9*x+16*x^2+15*x^3+14*x^4+12*x^5+8*x^6) / ( (x^2-x+1)*(x^5+2*x^4+2*x^3+x^2-1) ). - _R. J. Mathar_, Nov 30 2011

%K nonn

%O 4,1

%A _R. H. Hardin_ Aug 14 2009

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified December 4 11:24 EST 2022. Contains 358556 sequences. (Running on oeis4.)