A257191 Number of (3+2)X(n+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, 44795, 252288, 1488364, 9058784, 57766489, 375658160, 2426787341, 15738821146, 102176453195, 663395152836, 4305719804877, 27954130368606, 181465502045290, 1177998713851415, 7647065573314904, 49642206284249539

Offset

1,1

Comments

Row 3 of A257189

Links

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

Example

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

Crossrefs

Cf. A257189

Sequence in context: A204691 A270762 A200712 * A257184 A254984 A241788

Adjacent sequences: A257188 A257189 A257190 * A257192 A257193 A257194

Keyword

nonn

Author

R. H. Hardin, Apr 17 2015

Status

approved