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 A255028 Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the central row and central column minus the two minimums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
 512, 9492, 100001, 281112, 509796, 553864, 813888, 1108752, 1779292, 2346000, 3394644, 4499144, 6788952, 8806504, 12674932, 16849772, 25169544, 32012004, 46593820, 62645944, 94145548, 118670864, 175324256, 237734616, 359965708 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A255036 LINKS R. H. Hardin, Table of n, a(n) for n = 1..33 EXAMPLE Some solutions for n=3 ..0..0..1..1..0....1..1..1..1..0....1..0..1..1..0....1..1..0..1..1 ..1..0..0..0..0....0..0..0..0..0....0..0..0..0..1....0..1..0..0..0 ..1..0..0..0..0....1..0..0..1..1....0..0..1..0..1....0..0..1..1..0 ..1..0..1..1..1....0..1..1..1..1....0..1..0..1..0....1..0..1..1..1 ..0..1..0..1..0....0..0..1..1..0....0..0..0..1..0....1..1..1..0..0 CROSSREFS Cf. A255036 Sequence in context: A256896 A254234 A254546 * A247932 A090007 A344305 Adjacent sequences: A255025 A255026 A255027 * A255029 A255030 A255031 KEYWORD nonn AUTHOR R. H. Hardin, Feb 13 2015 STATUS approved

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Last modified June 8 18:04 EDT 2023. Contains 363165 sequences. (Running on oeis4.)