%I #4 Dec 15 2017 21:16:48
%S 81,2078,56646,1680927,48217515,1394258872,40337678992,1165868818808,
%T 33712843195488,974745141163546,28183526319905715,814890160500244088,
%U 23561459156605227616,681248846708899731070,19697413225479825722690
%N Number of nX7 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.
%C Column 7 of A296578.
%H R. H. Hardin, <a href="/A296577/b296577.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..0..0..1..0..0..0. .0..0..0..1..0..0..1. .0..0..0..0..1..0..0
%e ..0..0..0..0..0..0..1. .0..0..0..0..0..0..0. .0..0..0..0..0..0..1
%e ..0..0..0..0..0..0..1. .0..0..0..1..0..0..1. .0..0..0..0..0..0..1
%e ..0..0..1..0..0..1..1. .0..0..1..0..1..1..0. .0..0..0..0..0..0..0
%e ..0..0..1..0..1..0..1. .0..0..0..0..0..1..0. .0..0..1..0..0..1..1
%Y Cf. A296578.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 15 2017