A183482 Number of nX8 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.
63, 20223, 270611, 15984991, 1577932971, 56697667073
Offset: 1
Keywords
Examples
Some solutions for 4X8 ..0..0..0..0..0..2..2..0....0..0..0..0..0..0..1..1....0..0..0..1..1..0..0..0 ..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..2....0..0..0..0..0..0..1..1 ..0..0..0..0..1..1..1..2....0..0..0..2..2..0..2..1....0..0..1..0..1..0..1..1 ..0..1..1..0..1..1..1..2....0..0..0..2..2..0..2..2....0..0..1..0..1..0..1..1
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