A223147 Number of nX5 0..2 arrays with no more than floor(nX5/2) elements equal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order

24, 990, 23376, 1753639, 35160014, 2829178640, 57855419616, 4836446707793, 101866996330559, 8702834137106991, 187759794261834710, 16250488781543733341, 356862837288707460939, 31136852536742130487995

Offset

1,1

Comments

Column 5 of A223149

Links

R. H. Hardin, Table of n, a(n) for n = 1..21

Example

Some solutions for n=3
..0..1..1..1..0....0..1..0..1..0....0..1..0..2..1....0..1..2..0..0
..2..2..0..2..1....0..2..1..2..1....2..0..0..2..2....2..0..1..2..0
..1..0..1..0..2....1..0..1..1..2....0..2..1..0..1....1..0..0..0..1

Crossrefs

Sequence in context: A006175 A058810 A265872 * A272551 A222933 A222384

Adjacent sequences: A223144 A223145 A223146 * A223148 A223149 A223150

Keyword

nonn

Author

R. H. Hardin Mar 16 2013

Status

approved