A254160 - OEIS

%I #5 Jan 26 2015 12:50:51

%S 512,23660,1553720,191190272,47722312832,24789263869340,

%T 27196332026497280,62670987439073417464,306649596390478314360688,

%U 3185451673330281289722851308,70105876620029167895782015020688

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

%C Diagonal of A254168

%H R. H. Hardin, <a href="/A254160/b254160.txt">Table of n, a(n) for n = 1..13</a>

%e Some solutions for n=2

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 26 2015