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%I #4 Jan 23 2017 12:53:30
%S 9,3056,63840,146956,290073,560972,1066920,2001002,3797780,7294930,
%T 13957058,26289482,48689121,88983896,161189818,290577490,522149018,
%U 935543592,1669547078,2965851310,5243956096,9233806648,16204912228
%N Number of nX6 0..2 arrays with no element equal to more than one of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
%C Column 6 of A281540.
%H R. H. Hardin, <a href="/A281538/b281538.txt">Table of n, a(n) for n = 1..44</a>
%e Some solutions for n=4
%e ..0..1..0..1..2..0. .0..0..1..1..2..1. .0..1..2..0..2..1. .0..1..0..2..2..1
%e ..0..2..2..1..2..1. .1..2..2..0..2..0. .2..0..1..0..1..0. .0..2..0..1..0..0
%e ..0..1..0..0..2..0. .1..0..1..1..2..1. .2..0..2..0..2..0. .2..1..0..1..2..1
%e ..2..1..2..1..1..0. .2..0..2..0..0..2. .1..1..2..1..1..2. .0..1..2..0..2..0
%Y Cf. A281540.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 23 2017
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