A255148 Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 and no antidiagonal sum 0 and no row sum 1 and no column sum 1

15406, 217262, 3459923, 53762469, 848440805, 13537915704, 215697143322, 3435594926408, 54768774190717, 873205098653873, 13920323242830278, 221918955997720409, 3537980463162212769, 56404454600249310929

Offset

1,1

Comments

Column 7 of A255149

Links

R. H. Hardin, Table of n, a(n) for n = 1..191

Example

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

Crossrefs

Cf. A255149

Sequence in context: A261724 A031637 A054838 * A054839 A190928 A345584

Adjacent sequences: A255145 A255146 A255147 * A255149 A255150 A255151

Keyword

nonn

Author

R. H. Hardin, Feb 15 2015

Status

approved