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A317042 Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero. 1
21, 289, 527, 14294, 333207, 7760044, 302924053, 11244564485, 374107033198, 13676571568127, 507556461460973, 18202712275182220, 661696234025152587, 24271816590074405501, 883498080212983561554, 32182611394905747315615 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A317043.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A317043.

Sequence in context: A317159 A305648 A316924 * A317696 A025967 A022452

Adjacent sequences:  A317039 A317040 A317041 * A317043 A317044 A317045

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 19 2018

STATUS

approved

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Last modified June 26 03:44 EDT 2022. Contains 354871 sequences. (Running on oeis4.)