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 A220028 Number of n X n arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..1 n X n array 0
 2, 4, 10, 34, 111, 358, 1165, 3789, 12375, 40583, 133632, 441773 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A220032 LINKS EXAMPLE Some solutions for n=3 ..0..0..0....1..0..0....0..0..0....0..0..0....0..0..0....0..0..0....1..0..0 ..0..0..0....1..0..0....0..0..0....1..0..0....0..0..0....1..0..0....1..1..1 ..1..0..0....1..1..1....0..0..0....1..1..1....1..1..0....1..0..0....1..1..1 CROSSREFS Sequence in context: A089476 A323207 A327424 * A006397 A297197 A297201 Adjacent sequences:  A220025 A220026 A220027 * A220029 A220030 A220031 KEYWORD nonn AUTHOR R. H. Hardin Dec 03 2012 STATUS approved

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Last modified August 4 13:38 EDT 2020. Contains 336201 sequences. (Running on oeis4.)