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 A219464 Number of n X n arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 n X n array 0
 4, 23, 673, 87083, 43792361, 86755752059, 664221777830589 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A219471 LINKS Table of n, a(n) for n=1..7. EXAMPLE Some solutions for n=3 ..0..0..2....0..0..0....0..0..2....0..0..2....0..0..0....1..1..2....2..2..2 ..1..1..1....0..0..1....2..2..3....1..1..2....0..0..0....2..3..3....2..1..1 ..2..1..2....3..1..1....3..0..0....2..0..0....0..0..0....3..3..3....3..0..0 CROSSREFS Sequence in context: A130890 A219932 A266919 * A107765 A304413 A316240 Adjacent sequences: A219461 A219462 A219463 * A219465 A219466 A219467 KEYWORD nonn AUTHOR R. H. Hardin Nov 20 2012 STATUS approved

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Last modified September 15 02:17 EDT 2024. Contains 375929 sequences. (Running on oeis4.)