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 A185433 Number of (n+2)X9 0..7 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order 1
 1216284173329482, 745543958045415621, 223694029250999654095, 42451419931252675522287, 5686283998453160141912882, 573443108636317829849582612, 45497009931939204350899288292 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 7 of A185435 LINKS R. H. Hardin, Table of n, a(n) for n = 1..10 EXAMPLE Some solutions for 4X9 ..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..1..1 ..0..0..0..0..0..0..0..1..3....0..0..0..0..0..0..0..1..7 ..0..0..0..0..0..0..0..1..7....0..0..0..0..0..0..0..4..0 ..0..0..0..0..0..0..0..6..7....0..0..0..0..0..0..0..4..5 CROSSREFS Sequence in context: A282672 A337922 A072719 * A134692 A288286 A217683 Adjacent sequences: A185430 A185431 A185432 * A185434 A185435 A185436 KEYWORD nonn AUTHOR R. H. Hardin Jan 27 2011 STATUS approved

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Last modified May 20 08:05 EDT 2024. Contains 372703 sequences. (Running on oeis4.)