|
%I #5 Mar 31 2012 12:36:06
%S 5182,7240,35270,171877,554824,2920816,14050512,85310077,380380974,
%T 2084921316,10171396928,59609066832,283945023554,1585035059879,
%U 7796801707520,44553039814455,217880630036290,1215831257195360
%N Number of (n+1)X8 binary arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants
%C Column 7 of A186902
%H R. H. Hardin, <a href="/A186900/b186900.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for 3X8
%e ..1..1..0..1..1..0..0..0....0..0..1..1..1..0..0..0....0..1..1..0..0..0..1..0
%e ..1..1..0..0..1..1..0..0....0..0..1..1..1..0..1..1....0..0..1..1..1..1..1..1
%e ..0..1..1..0..0..1..0..1....1..1..1..0..1..1..1..0....0..0..0..1..1..1..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 28 2011
| 