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A298505

Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero.

1, 104, 148, 1297, 10969, 86979, 795788, 7018070, 62968846, 567532671, 5098934357, 45959883520, 414039234751, 3730689675757, 33621338845286, 302989791010903, 2730617206932446, 24609042392789042, 221784466694541698

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

OFFSET

1,2

COMMENTS

Column 5 of A298508.

LINKS

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

EXAMPLE

Some solutions for n=6

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

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

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

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

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

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

CROSSREFS

Cf. A298508.

Sequence in context: A260922 A054903 A074228 * A253693 A168528 A259767

Adjacent sequences: A298502 A298503 A298504 * A298506 A298507 A298508

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 20 2018

STATUS

approved

URL: https://oeis.org/A298505

⇱ A298505 - OEIS