A183491 Number of nX8 0..3 arrays with every element equal to either the sum mod 4 of its vertical neighbors or the sum mod 4 of its horizontal neighbors

139, 176320, 2438053, 283516092, 82763266524

Offset

1,1

Comments

Column 8 of A183492

Links

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

Example

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

Crossrefs

Sequence in context: A281249 A302089 A188452 * A215571 A108317 A252963

Adjacent sequences: A183488 A183489 A183490 * A183492 A183493 A183494

Keyword

nonn

Author

R. H. Hardin Jan 05 2011

Status

approved