A254481 Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally and vertically

586508, 1990286, 7113819, 28312934, 71273789, 205535751, 540249256, 1390563554, 3531296333, 9326702364, 24557509678, 66549724018, 180324669249, 491322127557, 1337342513381, 3651797621867, 9962791056432, 27218071969089, 74337214580838

Offset

1,1

Comments

Column 6 of A254483

Links

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

Example

Some solutions for n=1
..0..0..0..1..0..1..0..0....0..0..0..0..0..0..0..1....0..0..0..1..0..1..1..0
..1..1..1..1..0..0..0..1....1..1..1..0..1..0..0..0....1..0..1..1..0..1..1..0
..0..0..0..0..0..0..1..0....0..0..0..0..1..0..1..1....0..1..1..1..0..0..1..1

Crossrefs

Sequence in context: A249610 A254551 A254558 * A183968 A104962 A100386

Adjacent sequences: A254478 A254479 A254480 * A254482 A254483 A254484

Keyword

nonn

Author

R. H. Hardin, Jan 31 2015

Status

approved