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A281771 Number of 7Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

%I A281771 #4 Jan 29 2017 12:45:19
%S A281771 0,120,672,18358,201450,2848436,38998648,491290688,6531040026,
%T A281771 83421129072,1061825672182,13538745056328,170149200534678,
%U A281771 2139241444399412,26751312122710302,332989768683012174
%N A281771 Number of 7Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
%C A281771 Row 7 of A281765.
%H A281771 R. H. Hardin, <a href="/A281771/b281771.txt">Table of n, a(n) for n = 1..210</a>
%e A281771 Some solutions for n=4
%e A281771 ..0..0..1..1. .0..1..1..1. .0..1..1..0. .0..1..1..1. .0..0..0..0
%e A281771 ..0..0..0..1. .0..0..1..1. .1..1..0..0. .0..0..1..1. .1..1..0..0
%e A281771 ..0..0..1..1. .0..0..1..1. .1..0..0..0. .0..0..0..0. .1..1..1..0
%e A281771 ..0..0..1..1. .0..1..1..1. .1..1..0..0. .0..0..0..0. .1..1..0..1
%e A281771 ..0..1..0..0. .0..0..1..1. .1..1..1..0. .1..1..1..1. .0..0..1..1
%e A281771 ..1..0..1..0. .1..1..0..0. .0..0..0..1. .1..1..1..0. .0..0..1..1
%e A281771 ..1..1..0..1. .1..1..0..0. .0..0..1..1. .1..1..0..0. .1..1..0..0
%Y A281771 Cf. A281765.
%K A281771 nonn
%O A281771 1,2
%A A281771 _R. H. Hardin_, Jan 29 2017