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 A200527 Number of n X n 0..2 arrays with every row and column running average nondecreasing rightwards and downwards 0
 3, 20, 243, 4848, 167171, 10000162, 1056792824, 201092476918, 70051408245054, 45119084364602004 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A200534 LINKS Table of n, a(n) for n=1..10. EXAMPLE Some solutions for n=4 ..0..0..0..0....0..0..0..2....0..0..0..0....0..0..0..0....0..0..2..1 ..0..0..0..2....0..0..1..2....0..2..2..2....0..0..0..0....0..0..2..1 ..0..0..1..2....0..0..2..2....1..1..1..2....0..2..2..2....0..0..2..1 ..0..1..1..2....0..1..2..2....1..1..1..2....1..1..1..1....1..1..2..2 CROSSREFS Sequence in context: A248653 A218374 A219541 * A237431 A237652 A256018 Adjacent sequences: A200524 A200525 A200526 * A200528 A200529 A200530 KEYWORD nonn AUTHOR R. H. Hardin Nov 18 2011 STATUS approved

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Last modified September 7 09:14 EDT 2024. Contains 375730 sequences. (Running on oeis4.)