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%I #4 Feb 20 2016 07:18:05
%S 1620,330192,46576336,6004186984,738478504448,88082672552208,
%T 10275566914040000,1178661175005532168,133416857282270562320,
%U 14941436920498380518848,1658672032118594665963168
%N Number of nX6 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three exactly once.
%C Column 6 of A269152.
%H R. H. Hardin, <a href="/A269150/b269150.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..2..3..3..2..3..2. .3..2..0..1..3..3. .1..1..3..3..2..0. .2..2..3..2..2..0
%e ..0..1..3..2..2..0. .0..2..0..1..1..1. .0..1..1..1..0..1. .0..2..2..2..2..3
%Y Cf. A269152.
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 20 2016