%I #4 Nov 23 2017 09:26:55
%S 37,2735,113466,5400933,253594307,11938414614,563330031268,
%T 26515589323171,1248681784524804,58814998591494213,
%U 2770085782332161201,130464623191695045459,6144598685123051237293,289398247960170761817752
%N Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 4 1s.
%C Column 7 of A295531.
%H R. H. Hardin, <a href="/A295530/b295530.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..0..0..0..0..1..1. .0..0..0..1..0..1..1. .0..0..0..1..0..1..1
%e ..0..0..0..0..0..0..0. .0..0..0..1..0..0..0. .0..0..0..1..1..1..1
%e ..0..0..0..0..0..0..1. .0..0..0..0..0..1..0. .0..0..0..0..0..1..0
%e ..0..0..0..1..0..0..1. .0..0..0..0..0..1..1. .0..0..0..1..1..0..0
%e ..0..0..1..1..0..1..1. .0..0..0..0..0..0..1. .0..0..1..1..0..0..0
%Y Cf. A295531.
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 23 2017