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Number of (4+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally
1

%I #4 Jan 31 2015 10:08:44

%S 114880,2520832,50028672,1018596736,20365586688,410218207872,

%T 8153154979328,162063119050112,3212390841829632,63739082154797184,

%U 1262171199650792448,24992983054334976896,494505919058516547328

%N Number of (4+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Row 4 of A254491

%H R. H. Hardin, <a href="/A254494/b254494.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 31 2015