%I #4 Mar 19 2018 09:54:37
%S 2,15,34,101,320,1167,3961,13974,49388,171718,595933,2069269,7184407,
%T 24983410,87005062,303301112,1058018103,3691794974,12883245735,
%U 44960338427,156905033430,547579453383,1911021086139,6669509723637
%N Number of nX4 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
%C Column 4 of A301361.
%H R. H. Hardin, <a href="/A301357/b301357.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..0..1..0. .0..0..1..1. .0..1..0..0. .0..0..1..1. .0..0..1..1
%e ..1..1..1..0. .0..1..0..0. .0..1..1..1. .0..1..0..0. .1..0..0..1
%e ..0..1..1..1. .1..0..1..1. .0..0..0..0. .1..0..1..1. .1..1..0..1
%e ..0..1..0..1. .0..1..0..0. .1..1..1..0. .0..1..0..0. .0..1..0..0
%e ..1..1..0..1. .0..0..1..1. .0..0..1..1. .0..1..1..1. .0..1..1..0
%Y Cf. A301361.
%K nonn
%O 1,1
%A _R. H. Hardin_, Mar 19 2018