A222540 Number of nX7 0..1 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order

12, 104, 842, 15953, 155007, 3438351, 37975912, 905224187, 10437983644, 254476711315, 2982696923617, 73371038087793, 866792806572787, 21430151084974702, 254419539235354609, 6312538603518277719

Offset

1,1

Comments

Column 7 of A222541

Links

R. H. Hardin, Table of n, a(n) for n = 1..32

Example

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

Crossrefs

Sequence in context: A262778 A099293 A024454 * A279301 A003431 A173835

Adjacent sequences: A222537 A222538 A222539 * A222541 A222542 A222543

Keyword

nonn

Author

R. H. Hardin Feb 24 2013

Status

approved