A183500 Half the number of nX8 0..2 arrays with no element equal to the sum mod 3 of its horizontal and vertical neighbors

132, 32784, 8392704, 2147483648, 549761399856

Offset

1,1

Comments

Column 8 of A183501

Links

Table of n, a(n) for n=1..5.

Example

Some solutions for 3X8
..0..0..0..2..0..2..1..1....0..0..0..1..0..2..1..0....0..0..0..0..0..0..1..2
..1..1..0..0..1..2..0..2....1..1..0..0..1..0..1..0....1..1..1..1..1..0..0..2
..1..1..1..1..1..1..2..0....1..1..1..2..0..1..2..1....1..1..1..1..1..1..2..2

Crossrefs

Sequence in context: A239817 A175410 A146522 * A146545 A181194 A227596

Adjacent sequences: A183497 A183498 A183499 * A183501 A183502 A183503

Keyword

nonn

Author

R. H. Hardin Jan 05 2011

Status

approved