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A254479 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally and vertically 1
47140, 170900, 686988, 2539310, 8704471, 28312934, 86663046, 247709745, 682297737, 1838103410, 4927478832, 13269418779, 36050827342, 98774668579, 272555387169, 755673648263, 2102288791960, 5859599429661, 16356310617764 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A254483

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

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

CROSSREFS

Sequence in context: A212842 A254549 A254556 * A227710 A215840 A257723

Adjacent sequences: A254476 A254477 A254478 * A254480 A254481 A254482

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 31 2015

STATUS

approved

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Last modified February 6 11:36 EST 2023. Contains 360104 sequences. (Running on oeis4.)