A255780 Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 0 and no column sum 0

17325, 161602, 1968584, 18624528, 193188995, 2128300125, 22610019790, 240398279606, 2591552387296, 27827020619579, 298246053051175, 3202910914945837, 34389628326656428, 369056555441122577

Offset

1,1

Comments

Column 5 of A255783

Links

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

Example

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

Crossrefs

Cf. A255783

Sequence in context: A001381 A219357 A219325 * A023942 A322858 A251465

Adjacent sequences: A255777 A255778 A255779 * A255781 A255782 A255783

Keyword

nonn

Author

R. H. Hardin, Mar 06 2015

Status

approved