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 A219497 Number of n X n arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..1 n X n array 0
 2, 3, 11, 35, 107, 325, 995, 3083, 9663, 30581, 97541 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A219502 LINKS EXAMPLE Some solutions for n=3 ..0..0..0....0..0..0....1..1..1....0..0..0....0..0..0....1..0..0....1..0..0 ..0..0..0....1..0..0....1..1..1....0..0..0....1..0..0....1..0..0....1..1..0 ..1..0..0....1..1..1....1..1..1....1..1..0....1..0..0....1..0..0....1..1..1 CROSSREFS Sequence in context: A159458 A305846 A057838 * A006497 A038912 A019361 Adjacent sequences:  A219494 A219495 A219496 * A219498 A219499 A219500 KEYWORD nonn AUTHOR R. H. Hardin Nov 20 2012 STATUS approved

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Last modified April 21 14:50 EDT 2021. Contains 343154 sequences. (Running on oeis4.)