Voozh

A297864

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

0, 25, 222, 1052, 21519, 284344, 3740362, 52727368, 711614693, 9830071754, 134957151331, 1851435077345, 25452957854923, 349571109226366, 4802011704262362, 65968126409569608, 906203504992390038

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Column 6 of A297866.

LINKS

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

EXAMPLE

Some solutions for n=5

..0..0..0..0..0..0. .0..0..0..0..1..1. .0..0..0..1..0..0. .0..0..1..1..0..0

..0..1..1..1..1..0. .0..1..1..1..0..1. .0..1..1..0..1..0. .0..1..0..1..0..0

..0..1..0..0..1..0. .0..1..0..0..1..1. .1..0..0..1..0..1. .1..1..0..0..1..1

..0..1..1..0..1..0. .0..1..0..1..0..0. .0..1..0..0..1..0. .1..0..1..0..1..0

..0..0..0..1..0..0. .0..0..1..1..1..0. .0..0..1..1..0..0. .0..0..1..1..0..0

CROSSREFS

Cf. A297866.

Sequence in context: A264493 A224419 A372950 * A065939 A298131 A077346

Adjacent sequences: A297861 A297862 A297863 * A297865 A297866 A297867

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 07 2018

STATUS

approved

URL: https://oeis.org/A297864

⇱ A297864 - OEIS