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 A257156 Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column minus the sum of the minimums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
 13504, 101227, 732482, 5352986, 40203005, 303570406, 2272933686, 16956110702, 126194739903, 937418918510, 6952450459180, 51515862833060, 381469904772233, 2823533969222054, 20892921311894352, 154570404973505912 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 3 of A257154 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=2 ..0..1..1..1....1..1..1..1....0..1..1..1....0..1..1..1....0..0..0..0 ..1..0..0..0....1..0..0..0....0..0..0..0....0..0..0..1....0..1..0..0 ..1..0..0..1....0..0..0..0....1..0..0..0....1..0..0..0....1..0..0..0 ..0..0..1..0....1..0..1..1....1..0..0..1....0..1..0..1....1..0..0..1 ..0..0..1..0....1..0..0..1....1..1..1..0....0..1..1..0....1..0..0..0 CROSSREFS Cf. A257154 Sequence in context: A115922 A248444 A257149 * A254738 A342858 A064981 Adjacent sequences: A257153 A257154 A257155 * A257157 A257158 A257159 KEYWORD nonn AUTHOR R. H. Hardin, Apr 16 2015 STATUS approved

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Last modified February 26 10:13 EST 2024. Contains 370343 sequences. (Running on oeis4.)