A254173 Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally

1511152, 36538548, 1054310240, 31143715804, 886761490936, 24789263869340, 684072377169008, 18738106424812380, 512823923719769272, 14030281670008005564, 383831267774223029112, 10500422875690342522680

Offset

1,1

Comments

Row 6 of A254168

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A251973 A236499 A210018 * A254166 A254455 A177004

Adjacent sequences: A254170 A254171 A254172 * A254174 A254175 A254176

Keyword

nonn

Author

R. H. Hardin, Jan 26 2015

Status

approved