A254552 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

1964388, 3894656, 10792398, 32790229, 59892062, 174169154, 479026957, 1214424748, 3174330616, 8371947986, 22077132240, 59499764494, 162041829116, 441051167564, 1202699989327, 3278780408176, 8941296527014, 24410840480132

Offset

1,1

Comments

Column 7 of A254553

Links

R. H. Hardin, Table of n, a(n) for n = 1..165

Example

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

Crossrefs

Sequence in context: A236910 A251961 A067454 * A254559 A254482 A219434

Adjacent sequences: A254549 A254550 A254551 * A254553 A254554 A254555

Keyword

nonn

Author

R. H. Hardin, Feb 01 2015

Status

approved