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A304951 Number of nX7 0..1 arrays with every element unequal to 0, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero. 1
1, 99, 120, 287, 1436, 5296, 18950, 76117, 313593, 1223755, 4910872, 20032709, 79956642, 322609167, 1304677522, 5257674436, 21210939485, 85682310404, 345796184542, 1395755609802, 5635920794015, 22752476546255, 91855101525832 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A304952.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A304952.

Sequence in context: A072433 A133650 A045298 * A316619 A039446 A165603

Adjacent sequences:  A304948 A304949 A304950 * A304952 A304953 A304954

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 22 2018

STATUS

approved

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Last modified January 24 07:15 EST 2020. Contains 331189 sequences. (Running on oeis4.)