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A258535 Number of (6+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
1302500, 5390288, 11711440, 49299000, 159909048, 592438330, 2229175182, 7742054643, 25814320832, 91341056498, 319886182796, 1040366097283, 3692207243282, 13054765725797, 39905793352168, 145629634326028 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A258530

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical recurrence of order 71

FORMULA

Empirical recurrence of order 71 (see link above)

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....1..0..1....0..0..1....1..0..0....0..0..1....1..0..1....0..0..1

..1..0..1....0..0..1....0..0..1....0..0..0....0..0..1....0..0..1....1..0..0

..0..0..0....0..0..1....0..0..1....0..1..0....0..0..0....1..0..0....0..0..1

..1..1..0....1..0..1....1..0..0....1..1..0....0..1..0....1..0..0....0..0..1

..1..0..0....0..0..1....1..1..0....1..0..0....0..1..1....1..1..0....0..0..0

..0..1..1....1..1..1....1..0..0....1..1..0....0..1..1....1..1..0....1..1..0

..1..1..1....1..0..0....0..1..1....0..0..1....1..1..0....1..0..0....0..1..1

CROSSREFS

Cf. A258530

Sequence in context: A345084 A262531 A250830 * A258528 A254920 A002806

Adjacent sequences:  A258532 A258533 A258534 * A258536 A258537 A258538

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 02 2015

STATUS

approved

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Last modified December 9 08:41 EST 2021. Contains 349627 sequences. (Running on oeis4.)