A183441 - OEIS

%I #5 Mar 31 2012 12:35:51

%S 19,755,6485,109483,1939754,27025949,428516444,6750242518,

%T 102708841482,1598799987052,24800644451988,382936679416055,

%U 5935316443386907,91908067914978051,1422408901993267636,22027141264833328334

%N Number of nX8 binary arrays with every 1 having exactly one king-move neighbor equal to 1

%C Column 8 of A183442

%H R. H. Hardin, <a href="/A183441/b183441.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 3X8

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 04 2011