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A317435 Number of nX7 0..1 arrays with every element unequal to 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1
8, 928, 14831, 225065, 5282805, 113897676, 2326497716, 49910970516, 1074044399955, 22824262336104, 486801053621993, 10409630007370235, 222179877923281418, 4741952864296795716, 101263911319542935354 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A317436.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A317436.

Sequence in context: A304696 A316447 A316129 * A241875 A024111 A231905

Adjacent sequences:  A317432 A317433 A317434 * A317436 A317437 A317438

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 27 2018

STATUS

approved

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Last modified December 6 10:54 EST 2021. Contains 349563 sequences. (Running on oeis4.)