A235764 Number of (n+1)X(7+1) 0..1 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise

6109, 199720, 6840001, 210973948, 6523068739, 190693042666, 5613901408380, 163021504427647, 4757776001369799, 137694335673338797, 3945926499202143307, 110957623830297904192, 3049712982201331250704, 81622728848580076005291

Offset

1,1

Comments

Column 7 of A235765

Links

R. H. Hardin, Table of n, a(n) for n = 1..18

Example

Some solutions for n=2
..0..0..0..0..1..0..0..1....0..0..0..0..0..0..0..1....0..0..1..0..1..1..0..0
..0..0..0..0..0..0..0..0....1..0..0..0..0..0..1..0....1..0..0..0..0..0..1..1
..0..0..0..1..0..0..1..0....0..0..0..1..0..0..0..1....0..0..1..0..1..1..0..0

Crossrefs

Sequence in context: A251994 A201225 A031619 * A235547 A345186 A251368

Adjacent sequences: A235761 A235762 A235763 * A235765 A235766 A235767

Keyword

nonn

Author

R. H. Hardin, Jan 15 2014

Status

approved