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A317001 Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero. 1
16, 420, 4905, 65047, 854383, 11158663, 146589898, 1924812465, 25259268302, 331644445546, 4353940658716, 57158649892483, 750406973765322, 9851614911662910, 129335524037159567, 1697967089691191749 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A317004.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A317004.

Sequence in context: A305766 A317115 A305527 * A316819 A317569 A268053

Adjacent sequences:  A316998 A316999 A317000 * A317002 A317003 A317004

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 18 2018

STATUS

approved

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Last modified January 19 00:22 EST 2022. Contains 350464 sequences. (Running on oeis4.)