A255100 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 1 and no column sum 1

5537, 32627, 250704, 1933924, 15422602, 125525340, 1018478173, 8275662960, 67453730450, 549630067102, 4477016977754, 36483527731256, 297364126056538, 2423564899187966, 19751926401879365, 160980914154787524

Offset

1,1

Comments

Column 7 of A255101

Links

R. H. Hardin, Table of n, a(n) for n = 1..172

Example

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

Crossrefs

Cf. A255101

Sequence in context: A068269 A164079 A278012 * A031795 A180267 A203336

Adjacent sequences: A255097 A255098 A255099 * A255101 A255102 A255103

Keyword

nonn

Author

R. H. Hardin, Feb 14 2015

Status

approved