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A254509 Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
221858, 1038340, 11441442, 98841764, 801430034, 6835294784, 55061190276, 443132699990, 3548806179198, 28004471288892, 219764836858824, 1716345354165074, 13325759380833098, 102994137524770445 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A254512

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A234489 A321160 A223369 * A254516 A254816 A046396

Adjacent sequences:  A254506 A254507 A254508 * A254510 A254511 A254512

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 31 2015

STATUS

approved

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Last modified September 21 12:03 EDT 2019. Contains 327253 sequences. (Running on oeis4.)