A254184 Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

14096, 142088, 1465824, 13994248, 124599008, 1106508576, 9808618856, 86680216604, 765784579880, 6764564938736, 59745517943408, 527662774503372, 4660192335981456, 41157348400679812, 363487669599557324

Offset

1,1

Comments

Column 3 of A254189

Links

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

Example

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

Crossrefs

Sequence in context: A140708 A218816 A254191 * A253796 A237153 A066698

Adjacent sequences: A254181 A254182 A254183 * A254185 A254186 A254187

Keyword

nonn

Author

R. H. Hardin, Jan 26 2015

Status

approved