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A253536 Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nonincreasing horizontally and nondecreasing vertically 0

%I

%S 512,33568,4414976,1181976144,715564083200,1014919309654928,

%T 3255970677691466752,24325125999141426676432,

%U 420651849432806794384432128,16888938153886207420988320043408,1569395229293536931642987534329523200

%N Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nonincreasing horizontally and nondecreasing vertically

%C Diagonal of A253544

%e Some solutions for n=2

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 03 2015

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Last modified August 13 20:49 EDT 2022. Contains 356107 sequences. (Running on oeis4.)