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A200804
Number of nX3 0..2 arrays with no average of any element and its diagonal, antidiagonal, horizontal and vertical neighbors equal to one
1
10, 378, 4420, 70534, 1258392, 20829336, 349133136, 5916801764, 99672653784, 1679768996616, 28339196899298, 477878305752628, 8058283551459626, 135897588105196130, 2291737593646865132, 38647016142961331790
OFFSET
1,1
COMMENTS
Column 3 of A200809
LINKS
EXAMPLE
Some solutions for 4X4
..2..0..1....0..1..0....0..1..0....1..0..1....2..1..2....0..1..0....0..1..2
..0..1..1....0..0..0....2..0..0....1..1..1....2..1..1....2..0..0....0..1..1
..0..0..0....1..1..0....2..0..0....1..0..1....1..1..1....0..0..0....2..0..0
..1..2..0....0..0..2....0..0..2....0..0..1....2..2..2....0..2..0....0..1..1
CROSSREFS
Sequence in context: A291530 A358801 A117312 * A277663 A000591 A131312
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 22 2011
STATUS
approved