Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #4 Dec 21 2016 10:39:05
%S 6,255,3199,37289,389786,3786373,35086917,313383975,2722202345,
%T 23125021135,192903953186,1584994453962,12857492370098,
%U 103163663735209,819927701417438,6462788122534314,50569048938103665,393119079521861335
%N Number of nX5 0..2 arrays with no element unequal 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 5 of A279871.
%H R. H. Hardin, <a href="/A279869/b279869.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..1..1..0..0. .0..1..1..1..0. .0..0..1..1..0. .0..0..0..0..0
%e ..0..1..1..0..0. .0..0..0..1..0. .0..1..1..1..0. .1..1..0..0..1
%e ..2..2..1..0..0. .2..2..0..1..0. .0..1..0..0..0. .1..1..1..1..1
%e ..2..2..1..1..0. .2..2..0..0..0. .1..1..0..0..0. .1..1..1..2..2
%Y Cf. A279871.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 21 2016