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 A254475 Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally and vertically 0
 512, 11293, 211579, 2539310, 24234594, 205535751, 1553637600, 8600345305, 55445966383, 490042680771, 2850234052306, 20174333834904 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A254483 LINKS EXAMPLE Some solutions for n=2 ..0..0..1..0....0..1..0..0....0..1..0..0....0..0..1..0....0..0..0..0 ..1..1..1..0....1..0..0..1....0..0..0..1....1..1..1..0....0..0..0..1 ..1..0..0..1....1..0..1..0....0..0..0..0....1..1..1..1....1..0..0..0 ..0..1..1..1....0..0..0..0....1..1..1..1....0..1..1..1....1..1..0..0 CROSSREFS Sequence in context: A257182 A288776 A200844 * A254768 A254504 A253812 Adjacent sequences: A254472 A254473 A254474 * A254476 A254477 A254478 KEYWORD nonn AUTHOR R. H. Hardin, Jan 31 2015 STATUS approved

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Last modified April 1 23:16 EDT 2023. Contains 361717 sequences. (Running on oeis4.)