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A254240 Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally and vertically 1
514920, 2228050, 13376848, 80104299, 249684274, 940766774, 3047978749, 8696762202, 26336306288, 78716251434, 225295831770, 651870318928, 1860285741290, 5237337951769, 14747905907768, 41414839936846 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A254242

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A329461 A257424 A257431 * A087096 A072959 A048527

Adjacent sequences:  A254237 A254238 A254239 * A254241 A254242 A254243

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 27 2015

STATUS

approved

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Last modified January 28 09:52 EST 2020. Contains 331319 sequences. (Running on oeis4.)