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%I #4 Dec 28 2017 07:32:48
%S 1,1897,85041,1717882,90535227,4869858862,197589351469,8462603863772,
%T 387143404127578,17208423873690915,757092974470971658,
%U 33594816998930823407,1491858261000140438998,66127149761814467849317
%N Number of 7Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 or 2 neighboring 1s.
%C Row 7 of A297314.
%H R. H. Hardin, <a href="/A297320/b297320.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
%e ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
%e ..0..0..0..0..1. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..1..1
%e ..0..1..0..1..0. .0..0..1..1..1. .0..1..0..0..0. .0..1..0..1..0
%e ..1..1..0..0..0. .0..1..0..1..0. .1..1..1..0..0. .1..0..0..0..0
%e ..1..1..1..0..0. .1..0..0..1..1. .0..0..0..0..0. .0..0..0..0..0
%e ..0..0..0..1..1. .0..0..0..1..0. .0..1..1..1..1. .0..0..1..1..1
%Y Cf. A297314.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 28 2017
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