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!)
A188612 Number of 7Xn binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally 1

%I #5 Mar 31 2012 12:36:13

%S 54,2916,45705,602049,8077216,104225541,1318303126,16339159241,

%T 200193725076,2428081237436,29268187633586,351000097296928,

%U 4195386442491110,50012885659703541,595118400456555264

%N Number of 7Xn binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally

%C Row 7 of A188607

%H R. H. Hardin, <a href="/A188612/b188612.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 7X3

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Apr 05 2011

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 April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)