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A299566 Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1
8, 2048, 11807, 91193, 792454, 6974944, 60087975, 521019836, 4532637754, 39406918756, 342638323385, 2980802300789, 25930513111911, 225563854798009, 1962260071727890, 17070767803839838, 148507700765418040 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A299567.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A299567.

Sequence in context: A297950 A298559 A298769 * A298388 A299306 A299464

Adjacent sequences:  A299563 A299564 A299565 * A299567 A299568 A299569

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 12 2018

STATUS

approved

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Last modified May 26 17:16 EDT 2022. Contains 354092 sequences. (Running on oeis4.)