A254482 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally and vertically

1964388, 6557179, 22624962, 86663046, 191995191, 540249256, 1553637600, 4193549493, 11469180519, 30648695723, 78094397048, 199468025401, 514014239339, 1334127903704, 3511169370487, 9335744842342, 25009560981329

Offset

1,1

Comments

Column 7 of A254483

Links

R. H. Hardin, Table of n, a(n) for n = 1..118

Example

Some solutions for n=1
..0..0..0..0..1..0..0..0..1....0..0..0..0..0..1..1..1..1
..0..0..1..1..0..1..1..1..0....0..0..0..0..0..0..1..0..0
..0..0..1..0..1..1..0..1..1....0..0..1..1..1..1..1..0..1

Crossrefs

Sequence in context: A067454 A254552 A254559 * A219434 A345626 A346344

Adjacent sequences: A254479 A254480 A254481 * A254483 A254484 A254485

Keyword

nonn

Author

R. H. Hardin, Jan 31 2015

Status

approved