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A259993 Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00000101 0

%I

%S 48,269,2532,12620,55276,760397,4405472,16728076,252106808,2271107674,

%T 11377346280,109672934102,1249209797976,12832413750726,

%U 113080397436236,943724463804782

%N Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00000101

%C Diagonal of A260001

%e Some solutions for n=4

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

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

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

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

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

%Y Cf. A260001

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 12 2015

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Last modified January 22 08:48 EST 2022. Contains 350481 sequences. (Running on oeis4.)