A223634 Number of nX5 0..1 arrays with rows, antidiagonals and columns unimodal

16, 256, 2297, 13599, 61545, 230619, 748950, 2171533, 5738616, 14032520, 32116856, 69421945, 142742110, 280837253, 531285626, 970419825, 1717396652, 2953706474, 4949721932, 8100222189, 12971210226, 20360769871, 31377189150, 47538110053

Offset

1,1

Comments

Column 5 of A223637

Links

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

Example

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

Crossrefs

Sequence in context: A189066 A189191 A188876 * A223756 A188905 A189106

Adjacent sequences: A223631 A223632 A223633 * A223635 A223636 A223637

Keyword

nonn

Author

R. H. Hardin Mar 24 2013

Status

approved