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A258534 Number of (5+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
294960, 1323419, 3806582, 16029944, 65947572, 288227428, 1319588040, 6258499571, 30740458420, 154896105994, 803422614946, 4203201161959, 22335573948996, 119243945190445, 640166078120864, 3442579211591932 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A258530

LINKS

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

R. H. Hardin, Empirical recurrence of order 61

FORMULA

Empirical recurrence of order 61 (see link above)

EXAMPLE

Some solutions for n=1

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

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

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

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

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

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

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

CROSSREFS

Cf. A258530

Sequence in context: A206237 A236153 A023351 * A258527 A254919 A109031

Adjacent sequences:  A258531 A258532 A258533 * A258535 A258536 A258537

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 02 2015

STATUS

approved

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Last modified October 22 12:48 EDT 2021. Contains 348168 sequences. (Running on oeis4.)