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A230674 Number of nX7 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value 2-x(i,j).

%I A230674 #6 Jun 02 2025 08:45:11
%S A230674 63,141411,108108231,91258562955,77282148036051,65376252475286079,
%T A230674 55314799986833459367,46801278897512391365487,
%U A230674 39598077165834016051238043,33503529630527901643288424553,28346994197765512368139659784815
%N A230674 Number of nX7 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value 2-x(i,j).
%C A230674 Column 7 of A230675
%H A230674 R. H. Hardin, <a href="/A230674/b230674.txt">Table of n, a(n) for n = 1..39</a>
%e A230674 Some solutions for n=3
%e A230674 ..0..0..0..0..0..2..0....0..0..0..1..1..2..0....0..0..0..1..1..2..0
%e A230674 ..2..2..1..0..2..0..1....2..2..2..1..1..0..0....2..2..1..0..2..0..0
%e A230674 ..0..1..0..0..1..1..2....0..0..2..1..2..2..0....0..1..0..2..2..2..2
%K A230674 nonn
%O A230674 1,1
%A A230674 _R. H. Hardin_, Oct 27 2013