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Number of (n+4)X11 binary arrays with every 1 having exactly three king-move neighbors equal to 1 but with no 2X2 blocks of 1s
1

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

%S 40,685,4364,20625,210362,1724088,15282749,158811752,1460794339,

%T 14117917139,144615148548,1399153374630,13824276707100,

%U 139927570808579,1381401531147870,13761702636318942,138349438016533866

%N Number of (n+4)X11 binary arrays with every 1 having exactly three king-move neighbors equal to 1 but with no 2X2 blocks of 1s

%C Column 7 of A183465

%H R. H. Hardin, <a href="/A183464/b183464.txt">Table of n, a(n) for n = 1..34</a>

%e Some solutions for 7X11

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 05 2011