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%I #4 Mar 11 2016 11:44:24
%S 806736,932758314432,587581295287557312,310047482243688075320784,
%T 150106896816846862603331679744,69055044905731486960323236937432480,
%U 30710864722727618437291310619830386096704
%N Number of nX7 0..7 arrays with some element plus some horizontally or vertically adjacent neighbor totalling seven exactly once.
%C Column 7 of A270118.
%H R. H. Hardin, <a href="/A270117/b270117.txt">Table of n, a(n) for n = 1..15</a>
%e Some solutions for n=1
%e ..4..2..3..1..6..3..7. .2..0..4..1..2..5..1. .4..2..4..3..7..6..7
%Y Cf. A270118.
%K nonn
%O 1,1
%A _R. H. Hardin_, Mar 11 2016
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