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Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally
1

%I #4 Feb 01 2015 12:36:43

%S 1964388,4537801,10616893,27729322,59711718,159929222,479026957,

%T 1334951110,3821527067,10456814300,27133126461,69996188662,

%U 182153903591,475965650328,1260109188309,3363690275867,9040436176049,24437292600358

%N Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Row 7 of A254553

%H R. H. Hardin, <a href="/A254559/b254559.txt">Table of n, a(n) for n = 1..203</a>

%e Some solutions for n=1

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

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 01 2015