A222632 Number of nX5 0..1 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order

5, 22, 67, 707, 3200, 31574, 160614, 1732653, 9034170, 98521493, 520153629, 5732786567, 30465987916, 337740123987, 1803766268924, 20083828051731, 107676281160198, 1202858848461003, 6469195403317397, 72456284150820802

Offset

1,1

Comments

Column 5 of A222635

Links

R. H. Hardin, Table of n, a(n) for n = 1..133

Example

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

Crossrefs

Sequence in context: A273311 A288534 A286711 * A366081 A273336 A273768

Adjacent sequences: A222629 A222630 A222631 * A222633 A222634 A222635

Keyword

nonn

Author

R. H. Hardin Feb 26 2013

Status

approved