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 A207213 Number of 7Xn 0..2 arrays avoiding the pattern z-1 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal 0
 1440, 2073600, 1009600274, 500670359576, 261868042220093, 137715069370357544, 72904426459924759331 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 7 of A207208 LINKS EXAMPLE Some solutions for n=4 ..0..1..1..0....1..1..0..1....2..2..1..0....0..2..2..1....1..0..0..2 ..0..1..2..1....1..1..0..1....0..1..2..1....1..2..2..1....1..1..1..0 ..0..0..0..0....0..0..0..0....0..1..0..0....2..0..1..1....0..1..0..0 ..0..2..2..0....2..1..0..0....2..0..0..0....2..1..1..0....0..0..0..2 ..0..1..0..2....1..2..2..0....0..2..0..2....1..0..0..2....2..2..2..0 ..2..2..2..2....2..1..2..2....1..2..2..2....1..2..0..2....0..0..2..1 ..1..2..2..2....2..0..0..2....0..2..2..0....0..2..2..2....2..1..2..0 CROSSREFS Sequence in context: A023102 A289633 A282330 * A207207 A206733 A207357 Adjacent sequences: A207210 A207211 A207212 * A207214 A207215 A207216 KEYWORD nonn AUTHOR R. H. Hardin Feb 15 2012 STATUS approved

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Last modified March 27 22:47 EDT 2023. Contains 361575 sequences. (Running on oeis4.)