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A254549 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
47140, 111443, 388056, 1193965, 3450189, 9912158, 27729322, 76395530, 209879361, 578181034, 1602832753, 4455603121, 12441771494, 34759502130, 97208699643, 271806597833, 760315608690, 2126343337001, 5948937423681, 16642500007263 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A254553

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

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

CROSSREFS

Sequence in context: A183601 A206252 A212842 * A254556 A254479 A227710

Adjacent sequences: A254546 A254547 A254548 * A254550 A254551 A254552

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 01 2015

STATUS

approved

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Last modified January 31 15:02 EST 2023. Contains 359976 sequences. (Running on oeis4.)