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A298929

Number of nX7 0..1 arrays with every element equal to 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

0, 34, 14, 201, 666, 3569, 15163, 77576, 375845, 1886321, 9434661, 47480566, 237250519, 1191569971, 5975706525, 29984756274, 150481729037, 755439602693, 3791563019201, 19033524132770, 95544814021035, 479625376201987

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

OFFSET

1,2

COMMENTS

Column 7 of A298930.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A298930.

Sequence in context: A220133 A300101 A298258 * A118497 A301826 A033354

Adjacent sequences: A298926 A298927 A298928 * A298930 A298931 A298932

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 29 2018

STATUS

approved

URL: https://oeis.org/A298929

⇱ A298929 - OEIS