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Number of nX6 0..2 arrays with no element less than a strict majority of its horizontal and vertical neighbors
1

%I #4 Nov 12 2013 11:05:07

%S 121,4040,490760,42882766,3936913977,374409597564,35384751611050,

%T 3335789961947404,314852421269523851,29721381118553717447,

%U 2805039910196136173308,264733396758705184183618

%N Number of nX6 0..2 arrays with no element less than a strict majority of its horizontal and vertical neighbors

%C Column 6 of A231651

%H R. H. Hardin, <a href="/A231649/b231649.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 12 2013