A302085 - OEIS

%I #4 Mar 31 2018 16:02:59

%S 32,233,1323,3914,13712,124046,893236,5075048,30184552,198157498,

%T 1287642095,8192987077,52438649592,338298087953,2185778158055,

%U 14123703379050,91373380890604,591855807210660,3835940155437812

%N Number of 6Xn 0..1 arrays with every element equal to 0, 1, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.

%C Row 6 of A302081.

%H R. H. Hardin, <a href="/A302085/b302085.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

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

%Y Cf. A302081.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 31 2018