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A279133 Number of nX7 0..1 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. 1

%I

%S 15,400,7491,129264,2017028,29410145,409061044,5488392521,71618045798,

%T 913912909445,11451034651712,141307143171540,1721381619036321,

%U 20738815798941668,247471563012643095,2928344313826748362

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

%C Column 7 of A279134.

%H R. H. Hardin, <a href="/A279133/b279133.txt">Table of n, a(n) for n = 1..83</a>

%e Some solutions for n=4

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

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

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

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

%Y Cf. A279134.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 06 2016

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Last modified May 28 18:24 EDT 2022. Contains 354122 sequences. (Running on oeis4.)