A258687 Number of (n+3)X(3+3) 0..1 arrays with no 4x4 subblock diagonal sum less than the antidiagonal sum

3512272, 58713912, 730627431, 5979059398, 52832293444, 341477947200, 2056692302928, 11963671867256, 58563810099335, 285373253774762, 1280421053746990, 5372634084121824, 22200965287988789, 85610008898916636

Offset

1,1

Comments

Column 3 of A258689

Links

R. H. Hardin, Table of n, a(n) for n = 1..98

Example

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

Crossrefs

Cf. A258689

Sequence in context: A256770 A106812 A106811 * A187314 A083624 A237006

Adjacent sequences: A258684 A258685 A258686 * A258688 A258689 A258690

Keyword

nonn

Author

R. H. Hardin, Jun 07 2015

Status

approved