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%I #5 Mar 31 2012 12:35:51
%S 2,11,32,69,498,1621,4364,30246,103071,318890,1969710,6832816,
%T 23130558,129897418,458450153,1654097198,8623517185,30994436542,
%U 117035636551,575738987147,2107437728162,8217863515859,38636777002143,143917572927793
%N Number of (n+4)X7 binary arrays with every 1 having exactly three king-move neighbors equal to 1 but with no 2X2 blocks of 1s
%C Column 3 of A183465
%H R. H. Hardin, <a href="/A183460/b183460.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for 9X7
%e ..0..0..1..1..0..0..0....0..0..0..1..0..0..0....0..0..1..1..0..0..0
%e ..0..1..1..0..1..0..0....0..0..1..1..1..0..0....0..1..0..1..1..0..0
%e ..1..0..0..0..1..1..0....0..1..0..0..0..1..0....1..1..0..0..0..1..0
%e ..1..1..0..0..1..0..0....1..1..0..0..0..1..1....0..1..0..0..0..1..1
%e ..0..1..0..0..0..1..0....0..1..0..0..0..0..1....1..0..0..0..0..0..1
%e ..0..0..1..0..0..1..1....1..0..0..0..0..1..0....1..1..0..0..0..0..1
%e ..0..1..1..0..0..0..1....1..1..0..0..0..1..1....0..1..0..0..0..1..1
%e ..0..0..1..0..1..1..0....0..1..0..1..0..1..0....0..0..1..1..0..1..0
%e ..0..0..0..1..1..0..0....0..0..1..1..1..0..0....0..0..0..1..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 05 2011
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