|
%I #4 Apr 09 2014 19:25:29
%S 1,10,136,1545,16629,184819,2076117,23697768,272201307,3137010024,
%T 36217287513,418547014847,4839698233313,55979951123885,
%U 647628362479276,7493125930415564,86701026167433662,1003225793066345318
%N Number of nX6 0..1 arrays with no element equal to exactly one horizontal or vertical neighbor, with new values 0..1 introduced in row major order
%C Column 6 of A240656
%H R. H. Hardin, <a href="/A240654/b240654.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..0..1..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..1..1..0..1..1
%e ..0..0..0..0..0..0....0..0..0..0..1..0....0..1..1..0..0..0....1..1..1..1..1..1
%e ..0..0..0..0..0..0....0..0..0..1..0..0....0..1..1..0..1..0....1..1..1..1..0..0
%e ..0..0..1..0..0..1....0..0..0..0..0..1....0..0..0..0..0..0....0..1..1..1..0..0
%K nonn
%O 1,2
%A _R. H. Hardin_, Apr 09 2014
| 