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 A258536 Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the central row and central column plus the two minimums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
 5646340, 22067757, 35610562, 161983800, 376000912, 1541134768, 6279181504, 21535095297, 90306754594, 358767653132, 1495562902148, 6433631827611, 28698011792056, 130108262711075, 602349588274042, 2818005642546966 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 7 of A258530 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=1 ..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0 ..0..0..0....0..0..0....0..0..0....0..0..0....1..0..0....1..0..1....0..0..0 ..0..0..0....0..0..0....0..0..0....0..0..0....0..0..1....1..0..0....0..0..0 ..0..0..0....0..0..1....1..0..1....0..0..1....1..0..0....1..0..1....0..0..0 ..1..0..1....1..0..1....1..0..0....1..0..0....0..0..1....1..0..1....0..0..0 ..0..0..0....1..0..0....0..0..1....0..0..0....1..0..0....1..0..0....1..0..1 ..0..1..1....1..1..1....0..1..1....0..1..0....0..1..1....0..0..1....0..0..1 ..0..0..1....0..1..0....0..0..1....0..1..1....1..0..0....1..1..1....0..0..1 ..1..0..1....1..0..0....1..0..0....0..0..0....0..1..0....0..0..0....0..0..1 CROSSREFS Cf. A258530 Sequence in context: A210163 A114685 A234174 * A258529 A254921 A290162 Adjacent sequences: A258533 A258534 A258535 * A258537 A258538 A258539 KEYWORD nonn AUTHOR R. H. Hardin, Jun 02 2015 STATUS approved

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Last modified December 4 14:26 EST 2023. Contains 367563 sequences. (Running on oeis4.)