A256769 Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum.

831744, 10556001, 63680400, 384160000, 1728896400, 7780827681, 30914078976, 122825015296, 465909995776, 1767328289281, 6646640859664, 24996960092416, 94737284622864, 359049783034881, 1378071393843456, 5289185110982656

Offset

1,1

Comments

Column 6 of A256771

Links

R. H. Hardin, Table of n, a(n) for n = 1..49

Example

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

Crossrefs

Cf. A256771

Sequence in context: A215343 A063875 A179727 * A254510 A254517 A254817

Adjacent sequences: A256766 A256767 A256768 * A256770 A256771 A256772

Keyword

nonn

Author

R. H. Hardin, Apr 09 2015

Status

approved