A255099 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 1 and no column sum 1

2345, 11573, 72639, 454332, 2926453, 19198366, 125525340, 822095802, 5400253601, 35458215276, 232760298836, 1528658578447, 10040855452075, 65947336659413, 433138129142007, 2844919505055963, 18686000102061393, 122733086242564205

Offset

1,1

Comments

Column 6 of A255101

Links

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

Example

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

Crossrefs

Cf. A255101

Sequence in context: A181129 A064868 A263556 * A216989 A281697 A045306

Adjacent sequences: A255096 A255097 A255098 * A255100 A255101 A255102

Keyword

nonn

Author

R. H. Hardin, Feb 14 2015

Status

approved