%I #4 Jul 23 2015 13:08:35
%S 48,127,912,4633,6144,38370,265120,551542,2092680,17786146,60491904,
%T 183202732,1313066840,6986822950,25056637336,145821754612
%N Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001111
%C Diagonal of A260370
%e Some solutions for n=4
%e ..0..0..0..0..0..1....0..1..0..0..0..1....0..1..1..1..1..0....1..0..0..0..0..0
%e ..1..1..0..0..1..0....0..1..0..0..1..1....0..1..0..0..1..0....0..1..0..0..1..1
%e ..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0
%e ..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0
%e ..0..1..0..0..1..1....0..1..0..0..1..0....0..1..0..0..1..1....1..1..0..0..1..1
%e ..1..0..0..0..0..1....1..1..0..0..1..1....1..1..0..0..0..0....1..1..1..1..1..1
%Y Cf. A260370
%K nonn
%O 1,1
%A _R. H. Hardin_, Jul 23 2015