A255779 Number of (n+2)X(4+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

5126, 37281, 327340, 2413487, 18624528, 149549264, 1182407902, 9335360280, 74302402090, 590258349021, 4686029519002, 37230377738228, 295837256040187, 2350134923034554, 18671950248006903, 148351149016244078

Offset

1,1

Comments

Column 4 of A255783

Links

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

Example

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

Crossrefs

Cf. A255783

Sequence in context: A186968 A195648 A252919 * A237206 A230575 A251244

Adjacent sequences: A255776 A255777 A255778 * A255780 A255781 A255782

Keyword

nonn

Author

R. H. Hardin, Mar 06 2015

Status

approved