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 A258533 Number of (4+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
 65548, 342157, 1455282, 6505920, 27337100, 112691334, 455126938, 1772033766, 6734845200, 25249454288, 95219674164, 358817876108, 1348386258986, 5051397246442, 19013904134224, 72034257666458, 275203998778230 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 4 of A258530 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 R. H. Hardin, Empirical recurrence of order 63 FORMULA Empirical recurrence of order 63 (see link above) EXAMPLE Some solutions for n=1 ..1..1..0....0..0..0....1..0..0....1..0..0....0..1..0....1..0..0....1..1..0 ..0..0..0....1..0..1....1..0..1....0..1..0....0..0..0....1..0..1....0..1..0 ..1..1..0....1..0..0....1..0..0....0..1..0....1..1..0....0..0..1....0..1..0 ..0..0..1....0..1..0....0..1..0....1..0..0....1..0..0....0..0..0....1..0..1 ..1..0..1....1..1..0....0..1..0....0..0..1....0..1..0....0..1..1....0..1..1 ..0..1..1....0..1..1....1..0..1....0..1..0....1..0..1....1..0..1....0..0..0 CROSSREFS Cf. A258530 Sequence in context: A282777 A096555 A362950 * A258526 A254918 A268912 Adjacent sequences: A258530 A258531 A258532 * A258534 A258535 A258536 KEYWORD nonn AUTHOR R. H. Hardin, Jun 02 2015 STATUS approved

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Last modified April 12 16:49 EDT 2024. Contains 371635 sequences. (Running on oeis4.)