A223016 Number of 5Xn 0..1 arrays with no more than floor(5Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order

16, 101, 557, 6240, 35471, 464809, 2836008, 39184834, 248336145, 3508690921, 22739394957, 325225255121, 2137234610772, 30797326114267, 204240559315722, 2957935668787285, 19741752766309574, 286950425167762387

Offset

1,1

Comments

Row 5 of A223012

Links

R. H. Hardin, Table of n, a(n) for n = 1..39

Example

Some solutions for n=3
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..1..0..0....0..0..0....1..1..0....0..0..1....1..0..0....0..0..1....0..0..0
..0..0..0....1..1..1....0..1..1....1..0..1....0..1..1....1..1..1....0..1..1
..0..1..0....1..1..0....1..1..1....0..0..0....1..1..1....1..0..1....0..0..0

Crossrefs

Sequence in context: A223774 A224155 A224406 * A253390 A264281 A240257

Adjacent sequences: A223013 A223014 A223015 * A223017 A223018 A223019

Keyword

nonn

Author

R. H. Hardin Mar 11 2013

Status

approved