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 A183546 Number of n X n 0..2 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors 0
 0, 15, 583, 95101, 63868351, 177385265619, 2043774880960645, 97587614786720584857 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Diagonal of A183554 LINKS EXAMPLE Some solutions for 3X3 ..1..1..1....0..1..1....1..1..1....1..1..1....2..0..0....1..1..1....0..0..0 ..1..1..0....0..0..1....1..1..1....2..2..1....2..2..0....1..0..0....0..0..2 ..1..1..0....0..0..1....1..0..0....0..0..1....1..1..1....0..0..0....2..2..2 CROSSREFS Sequence in context: A027534 A001236 A263887 * A179895 A232291 A294834 Adjacent sequences:  A183543 A183544 A183545 * A183547 A183548 A183549 KEYWORD nonn AUTHOR R. H. Hardin Jan 05 2011 STATUS approved

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Last modified April 21 10:55 EDT 2019. Contains 322328 sequences. (Running on oeis4.)