A254389 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

36317408, 7193711039, 1515512093870, 285530733637470, 56126611914538368, 11081965727276828830, 2165666188993340904078, 424910381072394828854204, 83382953302089951643951997, 16347983432008955099145723483

Offset

1,1

Comments

Column 7 of A254390

Links

R. H. Hardin, Table of n, a(n) for n = 1..77

Example

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

Crossrefs

Sequence in context: A183755 A105296 A362964 * A254396 A253984 A081641

Adjacent sequences: A254386 A254387 A254388 * A254390 A254391 A254392

Keyword

nonn

Author

R. H. Hardin, Jan 29 2015

Status

approved