%I #4 Apr 11 2018 12:01:23

%S 0,361,2802,21949,316977,3640304,46360666,582115385,7102982284,

%T 89673817840,1109953847172,13832059626512,172620198739923,

%U 2146228140110545,26771858593225105,333424179617097795

%N Number of 6Xn 0..1 arrays with every element equal to 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Row 6 of A302670.

%H R. H. Hardin, <a href="/A302672/b302672.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

%e ..0..0..0..1..1. .0..0..0..1..1. .0..0..0..1..1. .0..0..1..0..0

%e ..0..0..1..0..0. .1..1..0..1..1. .1..1..1..0..1. .0..0..0..1..0

%e ..1..1..1..0..1. .1..1..0..1..0. .1..0..0..0..0. .1..1..1..1..1

%e ..0..0..0..1..0. .1..1..0..0..0. .0..1..0..1..1. .0..0..0..0..1

%e ..1..1..0..1..1. .1..0..0..1..0. .1..1..0..1..0. .1..0..1..1..0

%e ..0..0..0..1..1. .1..1..0..0..1. .0..0..1..0..0. .1..1..0..1..1

%Y Cf. A302670.

%K nonn

%O 1,2

%A _R. H. Hardin_, Apr 11 2018