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%I #4 Feb 20 2016 10:33:21
%S 4096,1090740,142233732,19558138380,2532677348772,320994710282892,
%T 39825831571425924,4865841496644992100,587133256785089633172,
%U 70137053123425124078748,8308848756491598850682388
%N Number of 6Xn 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three no more than once.
%C Row 6 of A269201.
%H R. H. Hardin, <a href="/A269206/b269206.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..0..1. .0..0. .0..1. .0..0. .0..0. .0..1. .0..1. .0..0. .0..1. .0..0
%e ..0..1. .0..0. .0..2. .2..0. .0..2. .0..0. .0..1. .0..1. .0..0. .0..0
%e ..1..0. .0..1. .3..1. .0..0. .3..2. .2..0. .3..1. .3..1. .2..0. .2..0
%e ..2..0. .0..2. .1..2. .1..0. .2..0. .0..0. .3..2. .3..3. .3..2. .2..3
%e ..1..3. .0..2. .2..3. .2..1. .2..3. .2..1. .2..0. .3..3. .2..2. .3..2
%e ..0..0. .2..3. .2..3. .3..2. .3..2. .1..0. .0..0. .2..3. .0..2. .0..3
%Y Cf. A269201.
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 20 2016
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