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A231743 Number of nX4 0..3 arrays with no element less than a strict majority of its horizontal and vertical neighbors.

%I A231743 #6 Jul 23 2025 06:39:24
%S A231743 50,1328,60806,2154900,71742015,2426463539,82701946547,2814528154294,
%T A231743 95747933760688,3259127333943936,110951853201769471,
%U A231743 3776779941421524009,128555070606110236059,4375838168986252858545,148948822494411349242405
%N A231743 Number of nX4 0..3 arrays with no element less than a strict majority of its horizontal and vertical neighbors.
%C A231743 Column 4 of A231746
%H A231743 R. H. Hardin, <a href="/A231743/b231743.txt">Table of n, a(n) for n = 1..210</a>
%e A231743 Some solutions for n=3
%e A231743 ..0..0..0..2....1..2..2..0....1..3..1..1....3..1..1..0....0..1..1..1
%e A231743 ..1..0..0..1....1..0..0..0....1..2..1..3....2..1..0..0....0..1..2..2
%e A231743 ..1..1..0..0....0..0..0..1....1..3..1..1....0..0..0..1....0..1..3..2
%K A231743 nonn
%O A231743 1,1
%A A231743 _R. H. Hardin_, Nov 13 2013