A254395 Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

5659548, 630430184, 73923120984, 7953519068760, 889372397177328, 99661265319327258, 11081965727276828830, 1236408469119453634255, 137953203316530482601886, 15382691661204645042649986

Offset

1,1

Comments

Row 6 of A254390

Links

R. H. Hardin, Table of n, a(n) for n = 1..137

Example

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

Crossrefs

Sequence in context: A290162 A251018 A254388 * A253983 A246055 A210353

Adjacent sequences: A254392 A254393 A254394 * A254396 A254397 A254398

Keyword

nonn

Author

R. H. Hardin, Jan 29 2015

Status

approved