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 A219453 Number of n X n arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 n X n array 0
 4, 4, 114, 3422, 435960, 124508284 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A219460 LINKS EXAMPLE Some solutions for n=3 ..2..2..2....2..1..1....1..1..1....1..1..1....2..2..3....0..0..2....2..2..2 ..1..0..0....0..0..0....1..0..0....1..1..1....2..2..3....0..0..0....2..2..2 ..1..0..0....0..0..0....2..0..0....1..1..2....2..2..3....0..0..0....3..2..2 CROSSREFS Sequence in context: A009534 A009559 A163196 * A283453 A055071 A213142 Adjacent sequences:  A219450 A219451 A219452 * A219454 A219455 A219456 KEYWORD nonn AUTHOR R. H. Hardin Nov 20 2012 STATUS approved

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Last modified September 18 23:16 EDT 2021. Contains 347548 sequences. (Running on oeis4.)