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%I #4 Feb 20 2016 09:13:26
%S 1620,118032,12791896,1265974992,121792778352,11426543880704,
%T 1052109184130840,95454531912315856,8558619944786977592,
%U 760020559893342078688,66953271981144607663880,5858534813761786497448832
%N Number of nX6 0..3 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling three exactly once.
%C Column 6 of A269186.
%H R. H. Hardin, <a href="/A269184/b269184.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..2..3..3..3..2..1. .3..2..3..1..1..0. .0..0..2..1..0..0. .1..0..0..2..2..2
%e ..3..3..3..3..3..3. .2..2..3..1..3..1. .2..2..0..0..0..2. .0..0..2..3..2..0
%Y Cf. A269186.
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 20 2016