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A305774 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero. 1
32, 569, 4172, 38623, 362200, 3492739, 33891076, 329477646, 3206311981, 31221147593, 304079486283, 2961660465756, 28846996288795, 280978948410575, 2736828664561312, 26657663269633560, 259655448460324811 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A305776.

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

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

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

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

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

CROSSREFS

Cf. A305776.

Sequence in context: A220631 A304308 A316207 * A317123 A305591 A317009

Adjacent sequences:  A305771 A305772 A305773 * A305775 A305776 A305777

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 10 2018

STATUS

approved

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Last modified August 15 18:38 EDT 2022. Contains 356148 sequences. (Running on oeis4.)