A298573 Number of nX6 0..1 arrays with every element equal to 0, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.

1, 52, 10, 38, 374, 174, 604, 5381, 5527, 16221, 110018, 190453, 515578, 2755459, 6512034, 17700626, 78992173, 222967860, 630465088, 2486556212, 7716784379, 22821362858, 83290038282, 270699953586, 831534123225, 2899944229842

Offset

1,2

Comments

Column 6 of A298575.

Links

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

Example

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

Crossrefs

Cf. A298575.

Sequence in context: A230107 A275412 A100990 * A048365 A317416 A033372

Adjacent sequences: A298570 A298571 A298572 * A298574 A298575 A298576

Keyword

nonn

Author

R. H. Hardin, Jan 22 2018

Status

approved