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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) 1

%I

%S 63,141411,108108231,91258562955,77282148036051,65376252475286079,

%T 55314799986833459367,46801278897512391365487,

%U 39598077165834016051238043,33503529630527901643288424553,28346994197765512368139659784815

%N 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 Column 7 of A230675

%H R. H. Hardin, <a href="/A230674/b230674.txt">Table of n, a(n) for n = 1..39</a>

%e Some solutions for n=3

%e ..0..0..0..0..0..2..0....0..0..0..1..1..2..0....0..0..0..1..1..2..0

%e ..2..2..1..0..2..0..1....2..2..2..1..1..0..0....2..2..1..0..2..0..0

%e ..0..1..0..0..1..1..2....0..0..2..1..2..2..0....0..1..0..2..2..2..2

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 27 2013

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Last modified October 25 20:31 EDT 2021. Contains 348256 sequences. (Running on oeis4.)