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A304694 Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero. 1
3, 120, 669, 4910, 37050, 263381, 1894297, 13791026, 99838011, 723141636, 5242242192, 38000913259, 275443591763, 1996621786317, 14473789984416, 104921152690890, 760577267171391, 5513516936878546, 39968166811319574 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A304697.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A304697.

Sequence in context: A304956 A316638 A227480 * A316445 A316127 A317433

Adjacent sequences:  A304691 A304692 A304693 * A304695 A304696 A304697

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 17 2018

STATUS

approved

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Last modified September 19 13:31 EDT 2021. Contains 347563 sequences. (Running on oeis4.)