A258678 Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum

219648, 2944656, 51939888, 916151824, 14229592160, 221012814400, 3662507469600, 60693136736400, 974804206566960, 15656518879024144, 255586033778653248, 4172333656507842816, 67553310760796804928

Offset

1,1

Comments

Column 5 of A258681

Links

R. H. Hardin, Table of n, a(n) for n = 1..127

Example

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

Crossrefs

Cf. A258681

Sequence in context: A187865 A201227 A185531 * A254912 A254905 A257207

Adjacent sequences: A258675 A258676 A258677 * A258679 A258680 A258681

Keyword

nonn

Author

R. H. Hardin, Jun 07 2015

Status

approved