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%I #4 Jul 14 2015 07:49:55
%S 48,214,1680,7725,25444,251582,1838884,7478945,76589120,1223125268,
%T 8125786040,53795046102,1356397478832,26105639799058,186181935816048,
%U 2661981784951575
%N Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00000111
%C Diagonal of A260070
%e Some solutions for n=4
%e ..1..1..0..0..0..0....0..0..0..0..0..0....0..1..0..0..0..1....1..0..0..0..0..0
%e ..0..0..0..0..1..1....1..0..0..0..1..0....0..0..0..0..1..0....1..0..0..1..1..0
%e ..0..0..0..0..1..1....1..1..0..0..1..0....0..0..0..0..0..0....0..0..0..1..1..0
%e ..1..1..0..0..0..0....0..0..0..0..0..0....0..1..0..0..0..0....0..0..0..0..0..0
%e ..0..0..0..0..0..0....0..0..0..0..0..0....0..1..0..0..1..0....1..0..0..0..0..0
%e ..0..0..0..0..1..0....1..1..0..0..1..1....0..0..0..0..1..1....1..0..0..1..1..0
%Y Cf. A260070
%K nonn
%O 1,1
%A _R. H. Hardin_, Jul 14 2015
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