|
%I #4 Nov 17 2013 20:28:18
%S 1172,178484,13105012,1389867384,154723539035,16761785898550,
%T 1811023880030050,196026498181350352,21221301875312720725,
%U 2297075727316465818365,248642281954628929597016
%N Number of (6+1)X(n+1) 0..1 arrays with every element equal to some horizontal, diagonal or antidiagonal neighbor, with top left element zero
%C Row 6 of A232076
%H R. H. Hardin, <a href="/A232082/b232082.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..0..1..0....0..1..0....0..1..0....0..0..0....0..0..0....0..0..0....0..0..0
%e ..1..0..1....0..0..1....1..0..0....0..1..1....1..1..1....0..0..0....0..1..0
%e ..1..1..1....1..0..0....0..1..1....1..0..1....1..1..1....0..1..0....1..0..1
%e ..1..0..0....1..1..1....1..0..0....0..1..0....1..1..1....0..1..1....0..0..1
%e ..1..1..1....0..1..0....1..1..1....0..0..0....0..0..0....0..0..1....1..1..1
%e ..0..0..1....0..0..1....0..0..0....0..1..1....0..0..1....1..1..0....0..0..1
%e ..1..1..0....1..1..0....0..0..0....1..0..1....1..1..1....0..0..1....1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 17 2013
| 