A258509 Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally

827673, 8808509, 147635738, 2068059998, 26456908324, 369487230074, 5245904339615, 72863622332517, 1011482738365911, 14120804213821286, 197058663762158135, 2746766799219287743, 38299634432148141349

Offset

1,1

Comments

Column 6 of A258511

Links

R. H. Hardin, Table of n, a(n) for n = 1..92

Example

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

Crossrefs

Cf. A258511

Sequence in context: A182532 A293291 A258516 * A254996 A083618 A238062

Adjacent sequences: A258506 A258507 A258508 * A258510 A258511 A258512

Keyword

nonn

Author

R. H. Hardin, Jun 01 2015

Status

approved