A298326 Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.

1, 301, 1097, 11727, 170318, 2614097, 41029614, 638898386, 10052063678, 158583602790, 2498340363190, 39397428555775, 621355221314504, 9799418136150295, 154554378914017208, 2437622610570227313

Offset

1,2

Comments

Column 6 of A298328.

Links

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

Example

Some solutions for n=5
..0..1..1..0..1..1. .0..1..1..0..1..1. .0..1..1..1..0..0. .0..0..0..1..0..0
..0..0..1..0..0..1. .0..0..1..0..0..1. .0..0..1..0..0..1. .0..1..1..0..1..0
..1..1..0..1..1..1. .1..1..0..0..1..1. .0..0..1..0..1..1. .1..0..1..0..1..1
..1..0..1..1..0..0. .0..1..1..0..1..0. .1..1..0..1..0..1. .1..1..0..1..0..0
..0..0..0..1..0..0. .1..1..1..0..0..0. .0..1..0..0..0..0. .1..0..0..1..1..0

Crossrefs

Cf. A298328.

Sequence in context: A282769 A256101 A070192 * A299219 A300033 A178267

Adjacent sequences: A298323 A298324 A298325 * A298327 A298328 A298329

Keyword

nonn

Author

R. H. Hardin, Jan 17 2018

Status

approved