A185485 - OEIS

%I #5 Mar 31 2012 12:36:01

%S 5182,346356,14150114,699638196,31993561712,1513130455943,

%T 70588969710949,3312295977303361,155051541648107775,

%U 7265486453914216528,340306050957672158348,15942330115264180673768,746795611094798145728722

%N Number of (n+1)X8 binary arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant

%C Column 7 of A185487

%H R. H. Hardin, <a href="/A185485/b185485.txt">Table of n, a(n) for n = 1..65</a>

%e Some solutions for 3X8

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 28 2011