%I #4 Aug 15 2018 13:11:58

%S 5,925,25106,829137,25994502,824452611,26085599617,825766558967,

%T 26137612655323,827340810913094,26187914855079902,828929888077445798,

%U 26238233470408255316,830522502196810326973,26288645611517517319140

%N Number of nX6 0..1 arrays with every element unequal to 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

%C Column 6 of A318068.

%H R. H. Hardin, <a href="/A318066/b318066.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A318068.

%K nonn

%O 1,1

%A _R. H. Hardin_, Aug 15 2018