A257184 Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally

10285, 47283, 252288, 1661786, 10392884, 65770496, 429271992, 2786976155, 18041157691, 117100335307, 760568125579, 4936527355840, 32044309312991, 208026009487640, 1350418789751718, 8766267486325198, 56907414061910205

Offset

1,1

Comments

Column 3 of A257189

Links

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

Example

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

Crossrefs

Cf. A257189

Sequence in context: A270762 A200712 A257191 * A254984 A241788 A187937

Adjacent sequences: A257181 A257182 A257183 * A257185 A257186 A257187

Keyword

nonn

Author

R. H. Hardin, Apr 17 2015

Status

approved