A253759 Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally and vertically

16544, 164120, 1622944, 17235224, 180950650, 1922908527, 20282915690, 216402125933, 2292854326904, 24407331180384, 258796873673582, 2751342510060708, 29187841277691838, 310070475580666952

Offset

1,1

Comments

Column 3 of A253764

Links

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

Example

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

Crossrefs

Sequence in context: A251903 A253956 A253963 * A091089 A109028 A193244

Adjacent sequences: A253756 A253757 A253758 * A253760 A253761 A253762

Keyword

nonn

Author

R. H. Hardin, Jan 11 2015

Status

approved