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A183372
Number of nX5 binary arrays with no element equal to the mod 3 sum of its diagonal and antidiagonal neighbors
1
1, 16, 30, 64, 195, 625, 2580, 8836, 34903, 148996, 629880, 2722500, 12034106, 53304601, 238715100, 1069617025, 4811385635, 21685802121, 97859055714, 441832737025, 1996456911552, 9023583429184, 40798463142960, 184481127958689
OFFSET
1,2
COMMENTS
Column 5 of A183374
LINKS
EXAMPLE
Some solutions for 7X5
..1..1..0..1..0....0..0..1..0..0....0..0..0..1..1....0..0..0..1..0
..0..0..0..1..0....0..1..1..1..0....1..1..0..0..0....0..1..1..1..1
..1..0..0..0..0....0..1..1..1..0....1..0..1..0..0....0..1..0..1..0
..0..0..1..1..0....1..0..0..0..1....0..1..1..1..0....1..0..0..0..1
..0..1..0..1..0....1..1..0..1..0....1..1..0..1..1....1..1..1..1..1
..0..1..1..0..1....0..0..1..1..1....1..1..1..1..0....0..0..1..0..0
..0..0..0..1..1....1..0..0..1..0....0..1..1..0..0....1..0..1..0..1
CROSSREFS
Sequence in context: A217715 A064634 A255265 * A308026 A145581 A186453
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2011
STATUS
approved