A254852 Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum two

38416, 42436, 87616, 271441, 902500, 3316041, 12013156, 42016324, 136936804, 443439364, 1467043204, 5190626116, 18319622500, 64283545764, 214374556036, 710928903556, 2357643553444, 8182197086116, 28358415368644, 99194229736900

Offset

1,1

Comments

Column 6 of A254854

Links

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

Example

Some solutions for n=3
..0..0..0..0..0..1..1..0....1..1..0..1..1..1..1..1....0..0..0..0..1..0..0..0
..0..0..0..0..0..0..1..0....0..0..1..1..0..1..1..1....0..0..0..0..1..0..0..0
..1..0..0..0..0..0..0..0....1..1..1..0..1..1..0..1....0..0..0..0..0..1..1..0
..1..0..0..0..0..0..0..0....1..1..1..1..1..0..1..1....0..0..0..0..0..0..1..1
..0..1..1..0..0..0..0..0....1..0..1..1..1..1..1..1....1..0..0..0..0..0..0..0

Crossrefs

Sequence in context: A342960 A050777 A050765 * A203792 A013873 A050766

Adjacent sequences: A254849 A254850 A254851 * A254853 A254854 A254855

Keyword

nonn

Author

R. H. Hardin, Feb 08 2015

Status

approved