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A316931 Number of n X 7 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero. 1
1, 908, 31197, 2937685, 259460352, 23331389753, 2110655397816, 191524282642552, 17393755319723555, 1580375973369029121, 143617078446619021662, 13052162189846836917011, 1186238624883310903156664 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A316932.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A316932.

Sequence in context: A317214 A305684 A317064 * A317702 A214001 A252136

Adjacent sequences:  A316928 A316929 A316930 * A316932 A316933 A316934

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 16 2018

STATUS

approved

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Last modified January 18 11:57 EST 2022. Contains 350455 sequences. (Running on oeis4.)