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A299553 Number of nX7 0..1 arrays with every element equal to 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero. 1
0, 104, 3739, 160089, 10759709, 648002718, 40708113490, 2548695927399, 159913303887571, 10043292894572000, 630817213769269749, 39629356396091207363, 2489689079190364637171, 156417236131600077815031 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A299554.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A299554.

Sequence in context: A299601 A217773 A298460 * A187530 A185741 A299333

Adjacent sequences:  A299550 A299551 A299552 * A299554 A299555 A299556

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 12 2018

STATUS

approved

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Last modified May 20 23:05 EDT 2022. Contains 353886 sequences. (Running on oeis4.)