A254774 Number of (n+2) X (7+2) 0..1 arrays with every 3 X 3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

2473062, 17766805, 399523689, 8014352106, 152665874129, 3151627564633, 66029963150922, 1347645659065486, 27693905833765209, 571426630010331708, 11760686264524554788, 241923345626487645940, 4982603226434478521757

Offset

1,1

Comments

Column 7 of A254775.

Links

R. H. Hardin, Table of n, a(n) for n = 1..137

Example

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

Crossrefs

Cf. A254775.

Sequence in context: A254988 A097968 A205025 * A254781 A254727 A230015

Adjacent sequences: A254771 A254772 A254773 * A254775 A254776 A254777

Keyword

nonn

Author

R. H. Hardin, Feb 07 2015

Status

approved