A282440 Number of nX7 0..1 arrays with no 1 equal to more than three of its king-move neighbors, with the exception of exactly one element.

0, 1276, 378380, 28043694, 2301995900, 177265299282, 12904221882656, 926611650146754, 65222398663792276, 4524094425831799914, 310480935003901978214, 21110167255138147553704, 1424409673759557472438034

Offset

1,2

Comments

Column 7 of A282441.

Links

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

Example

Some solutions for n=2
..1..1..1..1..0..1..1. .1..0..0..1..1..1..1. .1..1..0..1..0..1..0
..0..1..0..1..0..1..0. .1..1..1..1..0..1..0. .0..1..1..1..0..1..1

Crossrefs

Cf. A282441.

Sequence in context: A230758 A318201 A236013 * A211685 A210365 A190831

Adjacent sequences: A282437 A282438 A282439 * A282441 A282442 A282443

Keyword

nonn

Author

R. H. Hardin, Feb 15 2017

Status

approved