A256733 Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum zero and no antidiagonal sum three

2310400, 122323600, 5101387776, 249872016384, 11265313555456, 518482372363264, 23679083944969216, 1087948930038793216, 49833394812336710656, 2289420346251101357056, 104989233738265588491264

Offset

1,1

Comments

Column 6 of A256735

Links

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

Example

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

Crossrefs

Cf. A256735

Sequence in context: A186587 A358872 A252395 * A210493 A154676 A250926

Adjacent sequences: A256730 A256731 A256732 * A256734 A256735 A256736

Keyword

nonn

Author

R. H. Hardin, Apr 09 2015

Status

approved