login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A164453 Number of binary strings of length n with no substrings equal to 0001 0011 or 0100 1

%I

%S 13,21,35,58,97,163,273,457,765,1280,2142,3585,6000,10042,16807,28129,

%T 47078,78792,131870,220704,369381,618214,1034673,1731679,2898222,

%U 4850605,8118208,13587027,22739908,38058614,63696744,106605963,178420915

%N Number of binary strings of length n with no substrings equal to 0001 0011 or 0100

%H R. H. Hardin, <a href="/A164453/b164453.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,-1,1,-1,1).

%F G.f. -x^4*(13-5*x+6*x^2-4*x^3+8*x^4) / ( -1+2*x-x^2+x^3-x^4+x^5 ). - R. J. Mathar, Jan 19 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 17 00:35 EDT 2021. Contains 348048 sequences. (Running on oeis4.)