A208566 Number of nX7 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward or left-upward diagonal neighbors

365, 147712, 64398564, 28608436530, 12768454002596, 5705351522369620, 2550050797214882163, 1139842898451065324460, 509504876709198501073884, 227747392766431290996397763, 101802605180267043224102094118

Offset

1,1

Comments

Column 7 of A208567

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=4
..0..1..1..2..0..1..2....0..0..0..0..1..1..1....0..1..0..2..2..2..0
..1..2..2..0..1..0..2....2..1..1..2..0..2..2....1..2..0..1..1..0..1
..2..0..0..1..0..1..1....1..2..2..0..1..0..0....0..1..1..2..2..2..1
..2..0..2..1..2..2..2....0..2..1..2..1..2..1....0..1..0..0..1..0..1

Crossrefs

Sequence in context: A275095 A275351 A241376 * A209099 A233017 A233081

Adjacent sequences: A208563 A208564 A208565 * A208567 A208568 A208569

Keyword

nonn

Author

R. H. Hardin Feb 28 2012

Status

approved