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 A253793 Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal median nondecreasing horizontally and vertically 0
 512, 22284, 1876256, 300044272, 83428823136, 46476504760232, 52039375590860424, 118597465899997893216, 569271553154356424613768, 5751777935867721798745615520 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A253801 LINKS Table of n, a(n) for n=1..10. EXAMPLE Some solutions for n=2 ..0..0..1..0....1..0..1..0....1..0..1..1....1..1..0..0....1..1..0..1 ..0..0..1..0....1..1..1..1....1..0..0..1....1..0..0..0....0..0..0..1 ..0..0..1..1....0..1..1..0....0..1..0..1....1..0..0..1....0..0..1..0 ..1..1..0..1....1..0..0..0....0..1..1..1....0..1..0..1....1..1..1..0 CROSSREFS Sequence in context: A253954 A264108 A254353 * A253756 A250496 A254160 Adjacent sequences: A253790 A253791 A253792 * A253794 A253795 A253796 KEYWORD nonn AUTHOR R. H. Hardin, Jan 13 2015 STATUS approved

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Last modified September 12 19:34 EDT 2024. Contains 375853 sequences. (Running on oeis4.)