A297072 Number of nX7 0..1 arrays with no 1 adjacent to 1 king-move neighboring 1.

34, 4143, 419569, 38753117, 3987917885, 414777995952, 42862620370029, 4429615438702673, 458096301059196673, 47375155707745845605, 4899207201694239390561, 506644457652731559860014

Offset

1,1

Comments

Column 7 of A297073.

Links

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

Example

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

Crossrefs

Cf. A297073.

Sequence in context: A218718 A129056 A212034 * A232900 A209943 A187708

Adjacent sequences: A297069 A297070 A297071 * A297073 A297074 A297075

Keyword

nonn

Author

R. H. Hardin, Dec 24 2017

Status

approved