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Number of nX7 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with new values introduced in order 0 sequentially upwards.
1

%I #4 Dec 11 2016 08:51:02

%S 8,472,14243,421999,12957948,404651396,12564378389,389417147928,

%T 12073180118618,374420804035101,11611476499268728,360081193333144600,

%U 11166397683187856315,346279942682985571110,10738454287128003746225

%N Number of nX7 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with new values introduced in order 0 sequentially upwards.

%C Column 7 of A279384.

%H R. H. Hardin, <a href="/A279383/b279383.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A279384.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 11 2016