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A254816 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 and vertically 1
221858, 2691838, 37573674, 463784139, 5252066348, 59733054453, 617600165386, 6259013485112, 60421295621544, 566006242948991, 5135305476976656, 45460650492242015, 393319965785264860, 3339873754002581210 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A254819

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A223369 A254509 A254516 * A046396 A083640 A253990

Adjacent sequences: A254813 A254814 A254815 * A254817 A254818 A254819

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 08 2015

STATUS

approved

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Last modified December 1 14:21 EST 2022. Contains 358468 sequences. (Running on oeis4.)