A254975 Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 0 and no column sum 0

9961, 116534, 1592767, 14786310, 157053228, 1760294428, 18669294271, 198281505279, 2142895186847, 23011122611592, 246449197986769, 2646444909295868, 28410569274570638, 304803064075498793

Offset

1,1

Comments

Column 5 of A254978

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..0....1..0..1..1..1..1..0....0..0..1..1..1..1..1
..1..1..1..1..1..1..1....0..1..1..1..1..1..0....1..1..1..1..0..1..1
..1..1..1..0..1..1..1....0..1..1..1..1..1..1....1..1..1..1..1..1..0
..1..1..1..1..1..1..1....1..1..1..0..1..0..1....1..0..1..0..1..0..1

Crossrefs

Sequence in context: A252573 A266917 A031858 * A182696 A126978 A188790

Adjacent sequences: A254972 A254973 A254974 * A254976 A254977 A254978

Keyword

nonn

Author

R. H. Hardin, Feb 11 2015

Status

approved