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A316924 Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero. 1
21, 289, 492, 15118, 428394, 11571636, 493774680, 20147703090, 740128547549, 29599606999996, 1201023344982123, 47171417453741752, 1875627460196604256, 75236312054579065832, 2995694560378555376047, 119346937451479662730367 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A316925.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A316925.

Sequence in context: A316238 A317159 A305648 * A317042 A317696 A025967

Adjacent sequences:  A316921 A316922 A316923 * A316925 A316926 A316927

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 16 2018

STATUS

approved

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Last modified June 18 18:52 EDT 2019. Contains 324215 sequences. (Running on oeis4.)