%I #4 Feb 20 2016 06:20:53
%S 8748,2727564,732561916,186315931804,45920055321732,11067174233536260,
%T 2621894498331024092,612729907775635265268,141617828339474744759764,
%U 32434464000726413874379876,7371987566769862222037312812
%N Number of nX7 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three no more than once.
%C Column 7 of A269143.
%H R. H. Hardin, <a href="/A269142/b269142.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..1..3..3..1..1..3..2. .2..3..3..2..2..2..1. .2..2..3..1..0..0..2
%Y Cf. A269143.
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 20 2016
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