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A254084 Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1

%I #5 Jan 25 2015 10:26:54

%S 512,37961,9231485,7181975282,17184949015860,130340161010554804,

%T 3076463598348748891236,227190805931348173384051212,

%U 52565635830483236304261230301048,38007489014178178530213754490084391696

%N Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Diagonal of A254092

%H R. H. Hardin, <a href="/A254084/b254084.txt">Table of n, a(n) for n = 1..13</a>

%e Some solutions for n=2

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 25 2015

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Last modified April 20 10:51 EDT 2024. Contains 371838 sequences. (Running on oeis4.)