A254097 Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

6446656, 710699434, 85580284203, 9764722253800, 1124256442364024, 130340161010554804, 15062934487311200100, 1741233750122656726960, 201376899057386370531640, 23285440898809512492777532

Offset

1,1

Comments

Row 6 of A254092

Links

R. H. Hardin, Table of n, a(n) for n = 1..157

Example

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

Crossrefs

Sequence in context: A254167 A254456 A254090 * A209950 A288074 A157787

Adjacent sequences: A254094 A254095 A254096 * A254098 A254099 A254100

Keyword

nonn

Author

R. H. Hardin, Jan 25 2015

Status

approved