A255157 Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 0 or 1 and no column sum 0 or 1

1782, 9978, 67465, 437238, 2861823, 18908787, 124074113, 813938431, 5349887137, 35133229405, 230614838248, 1514292207085, 9944104422236, 65294448335862, 428727861006365, 2815126137905917, 18484827717027621, 121375474722610572

Offset

1,1

Comments

Column 6 of A255159

Links

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

R. H. Hardin, Empirical recurrence of order 79

Formula

Empirical recurrence of order 79 (see link above)

Example

Some solutions for n=3
..1..0..1..1..1..1..0..1....0..1..1..1..1..0..1..1....1..1..1..1..1..1..0..1
..0..1..1..0..1..1..1..0....1..1..1..1..1..1..1..0....1..1..0..1..1..1..1..0
..1..1..1..1..1..1..1..1....1..1..1..1..1..1..1..1....0..1..1..1..1..1..1..1
..1..1..1..1..1..1..1..1....1..1..1..0..1..1..0..1....1..1..1..1..1..1..1..1
..1..0..1..1..1..1..1..0....1..1..1..1..1..1..1..1....1..1..1..0..1..1..0..1

Crossrefs

Cf. A255159

Sequence in context: A204637 A023088 A251086 * A175693 A317628 A114075

Adjacent sequences: A255154 A255155 A255156 * A255158 A255159 A255160

Keyword

nonn

Author

R. H. Hardin, Feb 15 2015

Status

approved