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

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A181034 Number of nX(n+3) binary matrices with no initial bit string in any row or column divisible by 4 1

%I #3 Mar 31 2012 12:35:49

%S 1,8,99,2999,200798,30584687,10496827403,8147000813446,

%T 14279081380626859,56548869471250924613,505895767712482884973116,

%U 10224865987802162338842130221,466867871514396686081152537710131

%N Number of nX(n+3) binary matrices with no initial bit string in any row or column divisible by 4

%C Superdiagonal 3 of A181031

%H R. H. Hardin, <a href="/A181034/b181034.txt">Table of n, a(n) for n=1..22</a>

%e Some solutions for 4X7

%e ..1..1..1..1..1..1..1....1..1..1..1..1..1..1....1..1..1..1..1..1..1

%e ..1..0..1..0..1..0..1....1..0..1..0..1..0..1....1..0..1..0..1..0..1

%e ..1..1..0..1..0..1..0....1..1..0..1..0..1..0....1..1..0..1..0..1..0

%e ..1..0..1..0..1..0..1....1..0..1..0..1..1..1....1..0..1..1..1..0..1

%K nonn

%O 1,2

%A _R. H. Hardin_ Sep 30 2010

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 22 03:40 EDT 2024. Contains 375354 sequences. (Running on oeis4.)