A255782 Number of (n+2)X(7+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

198635, 3204754, 71461994, 1182407902, 22610019790, 463394276783, 9007582907953, 175199975406075, 3475690233377737, 68459107740266047, 1345104938505362076, 26506504453080108081, 522233426056453124708

Offset

1,1

Comments

Column 7 of A255783

Links

R. H. Hardin, Table of n, a(n) for n = 1..143

Example

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

Crossrefs

Cf. A255783

Sequence in context: A345660 A249358 A290780 * A205638 A031687 A234034

Adjacent sequences: A255779 A255780 A255781 * A255783 A255784 A255785

Keyword

nonn

Author

R. H. Hardin, Mar 06 2015

Status

approved