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 A183582 Half the number of nX7 0..3 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors 0
 80, 65277, 14823037, 3724940988, 922710498351, 229716738097391, 57140106100076100, 14217486118795912134 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 7 of A183584 LINKS EXAMPLE Some solutions with a(1,1)<=1 for 3X7 ..0..0..0..2..2..0..0....0..0..0..1..1..0..0....0..0..0..2..2..0..0 ..0..0..0..0..2..0..0....0..0..1..1..1..1..1....0..0..0..0..0..0..3 ..0..1..1..1..1..3..3....0..0..0..2..2..1..1....0..1..1..0..3..3..3 CROSSREFS Sequence in context: A118493 A187052 A159377 * A068273 A068285 A159408 Adjacent sequences:  A183579 A183580 A183581 * A183583 A183584 A183585 KEYWORD nonn AUTHOR R. H. Hardin Jan 05 2011 STATUS approved

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