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A260240 Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00001001 0

%I

%S 48,213,1476,5733,38280,416911,1606456,7479479,103497076,746247122,

%T 2383760912,25616797423,351265905756,1400540744283

%N Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00001001

%C Diagonal of A260248

%e Some solutions for n=4

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

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

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

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

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

%Y Cf. A260248

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 20 2015

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Last modified January 28 17:14 EST 2022. Contains 350657 sequences. (Running on oeis4.)