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 A250496 Number of (n+2)X(n+2) 0..1 arrays with nondecreasing medians of every three consecutive values in every row and column 0
 512, 23096, 2191444, 495646476, 186246385700, 126911840548334, 172756072994467720 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A250504 LINKS Table of n, a(n) for n=1..7. EXAMPLE Some solutions for n=2 ..0..0..0..1....0..1..0..0....0..0..0..0....1..0..0..0....0..1..1..0 ..1..0..1..1....1..1..0..1....1..0..0..1....1..1..0..1....1..1..0..1 ..1..0..1..1....0..1..0..0....1..1..1..0....1..0..0..1....0..0..1..0 ..0..1..0..1....1..0..0..1....0..0..1..1....1..1..1..1....1..1..1..1 CROSSREFS Sequence in context: A254353 A253793 A253756 * A254160 A254450 A254484 Adjacent sequences: A250493 A250494 A250495 * A250497 A250498 A250499 KEYWORD nonn AUTHOR R. H. Hardin, Nov 24 2014 STATUS approved

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Last modified May 26 22:41 EDT 2024. Contains 372847 sequences. (Running on oeis4.)