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A317117 Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero. 1
64, 5912, 81809, 2000595, 45938893, 1080066752, 25956605294, 620005212254, 14887658798448, 357027011583501, 8567248019037287, 205567120831340263, 4932555193477059178, 118358510326695768714, 2840031414224031094307 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A317118.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A317118.

Sequence in context: A281954 A316182 A305768 * A305529 A317003 A316821

Adjacent sequences:  A317114 A317115 A317116 * A317118 A317119 A317120

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 21 2018

STATUS

approved

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Last modified October 18 23:44 EDT 2021. Contains 348071 sequences. (Running on oeis4.)