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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: A194185 A282777 A096555 * 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 October 27 10:23 EDT 2021. Contains 348274 sequences. (Running on oeis4.)