A258686 Number of (n+3)X(2+3) 0..1 arrays with no 4x4 subblock diagonal sum less than the antidiagonal sum

386304, 5392960, 58713912, 479373352, 4020536064, 28017797984, 180889428840, 1121650360344, 6319289500688, 34444479406504, 179092290465784, 888630251710856, 4294129169205328, 20034775965684704, 91016922993551880

Offset

1,1

Comments

Column 2 of A258689

Links

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

Example

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

Crossrefs

Cf. A258689

Sequence in context: A206167 A206381 A234216 * A157739 A233491 A319505

Adjacent sequences: A258683 A258684 A258685 * A258687 A258688 A258689

Keyword

nonn

Author

R. H. Hardin, Jun 07 2015

Status

approved