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A231648 Number of nX5 0..2 arrays with no element less than a strict majority of its horizontal and vertical neighbors.

%I A231648 #6 Jul 23 2025 06:36:07
%S A231648 51,1189,61574,2412274,96014413,3936913977,161357952814,6602715583511,
%T A231648 270337779895196,11069019817530645,453147169968161944,
%U A231648 18550832129905355953,759448690449540291323,31091056859424132422442
%N A231648 Number of nX5 0..2 arrays with no element less than a strict majority of its horizontal and vertical neighbors.
%C A231648 Column 5 of A231651
%H A231648 R. H. Hardin, <a href="/A231648/b231648.txt">Table of n, a(n) for n = 1..210</a>
%e A231648 Some solutions for n=3
%e A231648 ..0..2..1..0..0....0..0..2..2..2....0..0..0..0..0....0..0..0..0..2
%e A231648 ..0..0..0..0..2....1..0..0..0..1....1..2..2..0..2....1..0..0..0..0
%e A231648 ..1..0..0..0..0....0..0..2..0..0....1..2..2..0..0....2..2..1..0..0
%K A231648 nonn
%O A231648 1,1
%A A231648 _R. H. Hardin_, Nov 12 2013