A259008 Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally

9374, 21073, 55760, 159480, 397152, 915452, 2005182, 4136140, 8078000, 15207697, 27992566, 49262392, 85034718, 144739230, 240912192, 392252878, 631489978, 1002303755, 1565538282, 2411206601, 3673018438, 5530443094, 8228004970

Offset

1,1

Comments

Row 3 of A259006

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=4
..0..1..1..0..0..0....0..0..1..1..0..1....0..0..0..1..1..0....0..1..1..1..1..1
..1..0..0..0..1..1....0..0..0..0..0..0....0..0..0..0..0..1....0..0..0..0..0..1
..0..0..0..1..1..1....0..0..0..0..1..0....0..0..0..0..0..1....1..1..1..1..1..1
..0..1..1..1..1..1....1..1..1..1..1..0....0..1..1..1..1..0....1..1..1..1..1..1
..1..1..1..1..1..0....1..1..0..1..1..1....1..0..0..1..1..1....0..1..1..1..1..1

Crossrefs

Cf. A259006

Sequence in context: A246736 A289858 A259001 * A256899 A079048 A263557

Adjacent sequences: A259005 A259006 A259007 * A259009 A259010 A259011

Keyword

nonn

Author

R. H. Hardin, Jun 16 2015

Status

approved