A254509 Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally

221858, 1038340, 11441442, 98841764, 801430034, 6835294784, 55061190276, 443132699990, 3548806179198, 28004471288892, 219764836858824, 1716345354165074, 13325759380833098, 102994137524770445

Offset

1,1

Comments

Column 5 of A254512

Links

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

Example

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

Crossrefs

Sequence in context: A321160 A223369 A366824 * A254516 A254816 A373466

Adjacent sequences: A254506 A254507 A254508 * A254510 A254511 A254512

Keyword

nonn

Author

R. H. Hardin, Jan 31 2015

Status

approved