A254814 Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally and vertically

12730, 95110, 748444, 5525547, 37573674, 247721056, 1555784900, 9507310251, 56427672574, 327734201374, 1866901670840, 10464255213650, 57838849759168, 315906910077131, 1707701720462978, 9149366017437488, 48640167600953140

Offset

1,1

Comments

Column 3 of A254819

Links

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

Example

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

Crossrefs

Sequence in context: A252322 A254507 A254514 * A275158 A206979 A206973

Adjacent sequences: A254811 A254812 A254813 * A254815 A254816 A254817

Keyword

nonn

Author

R. H. Hardin, Feb 08 2015

Status

approved