A254780 Number of (6+2) X (n+2) 0..1 arrays with every 3 X 3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

689386, 5140919, 72739438, 914580497, 13290735887, 208503958572, 3151627564633, 47759500203672, 736006068987777, 11285940577868551, 172779132530824114, 2651252421429775351, 40683066825964635995

Offset

1,1

Comments

Row 6 of A254775.

Links

R. H. Hardin, Table of n, a(n) for n = 1..174

Example

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

Crossrefs

Cf. A254775.

Sequence in context: A353345 A204788 A254773 * A254726 A068745 A010084

Adjacent sequences: A254777 A254778 A254779 * A254781 A254782 A254783

Keyword

nonn

Author

R. H. Hardin, Feb 07 2015

Status

approved