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A231771 Number of (7+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to one.

%I A231771 #6 Jul 23 2025 06:41:55
%S A231771 784,338352,18318400,893571840,85629975876,8624298007460,
%T A231771 682267982467600,52970839821218880,4456718983049324644,
%U A231771 378011756367282007468,31157229662166847152384,2561630098398545354807964
%N A231771 Number of (7+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to one.
%C A231771 Row 7 of A231764
%H A231771 R. H. Hardin, <a href="/A231771/b231771.txt">Table of n, a(n) for n = 1..210</a>
%e A231771 Some solutions for n=1
%e A231771 ..1..1....0..0....1..0....0..0....1..1....1..1....1..0....1..1....0..0....1..0
%e A231771 ..0..0....0..1....0..0....1..0....0..0....0..0....0..1....0..0....0..0....0..1
%e A231771 ..0..0....1..0....0..0....0..1....0..0....0..0....0..0....0..0....0..0....0..0
%e A231771 ..1..0....0..0....0..0....0..0....0..0....0..1....1..0....0..0....0..0....0..0
%e A231771 ..0..1....0..1....0..0....0..0....1..0....0..0....0..0....1..0....0..0....0..1
%e A231771 ..0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..1....1..0....1..0
%e A231771 ..1..0....0..0....0..1....0..0....0..0....0..0....1..0....0..0....0..0....0..0
%e A231771 ..0..1....1..0....1..0....1..0....1..1....1..0....0..0....1..0....0..1....0..1
%K A231771 nonn
%O A231771 1,1
%A A231771 _R. H. Hardin_, Nov 13 2013