A222538 Number of nX5 0..1 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order

5, 19, 70, 772, 3872, 44498, 244106, 2895313, 16220695, 193518017, 1095187013, 13140785478, 74882449329, 902437854334, 5167965116150, 62504530916068, 359312728848315, 4358377223219062, 25131524034389414, 305565415963242588

Offset

1,1

Comments

Column 5 of A222541

Links

R. H. Hardin, Table of n, a(n) for n = 1..104

Example

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

Crossrefs

Sequence in context: A149758 A026590 A243413 * A095073 A128349 A255449

Adjacent sequences: A222535 A222536 A222537 * A222539 A222540 A222541

Keyword

nonn

Author

R. H. Hardin Feb 24 2013

Status

approved