

A183480


Number of nX6 0..2 arrays with every element equal to either the sum mod 3 of its vertical neighbors or the sum mod 3 of its horizontal neighbors


1



23, 1647, 12131, 270549, 7773025, 116198719, 2519745049, 56697667073, 1077056431167, 22884814320491, 486391513434439, 9923123962205421, 208990562982405425, 4391311455637955479, 91402396553197281527
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OFFSET

1,1


COMMENTS



LINKS



EXAMPLE

Some solutions for 4X6
..0..2..2..0..1..1....0..0..0..0..1..1....0..1..1..2..1..2....0..0..0..0..0..1
..0..0..0..0..0..0....0..0..0..0..2..0....0..1..1..0..2..2....0..0..0..0..0..1
..0..0..0..0..1..0....1..2..1..0..1..2....0..2..2..0..0..0....1..0..2..2..0..0
..0..1..1..0..1..0....1..2..1..0..2..2....0..0..0..0..1..1....1..0..2..2..0..0


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



