%I #4 Dec 28 2016 07:02:23
%S 9,263,3931,43094,421214,3755997,31821879,258976696,2046791216,
%T 15814457993,120011332264,897444910233,6629487497213,48466584078054,
%U 351182574432103,2524953934109755,18030795547257916,127983331651736137
%N Number of nX6 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
%C Column 6 of A280180.
%H R. H. Hardin, <a href="/A280178/b280178.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..0..0..1..0..0. .0..1..1..1..1..1. .0..0..1..1..1..1. .0..0..0..0..0..1
%e ..1..1..1..1..0..1. .0..1..1..1..0..0. .0..0..1..0..0..0. .0..0..1..1..1..1
%e ..1..1..1..0..1..1. .0..1..0..0..0..0. .0..0..1..1..0..0. .0..1..1..0..0..1
%e ..0..0..0..0..1..1. .0..0..0..0..0..0. .0..0..1..1..0..0. .1..1..1..0..0..1
%Y Cf. A280180.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 28 2016