A317041 - OEIS

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A317041

Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

13, 125, 204, 2516, 35318, 393048, 7760044, 159647483, 2883656719, 56973226585, 1162322888273, 22895315515777, 455569131110547, 9174923681688618, 183481545833256864, 3668262718415754799, 73581418052482057172

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 6 of A317043.

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

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

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

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

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

CROSSREFS

Cf. A317043.

Sequence in context: A317158 A305647 A316923 * A317695 A016224 A360437

Adjacent sequences: A317038 A317039 A317040 * A317042 A317043 A317044

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 19 2018

STATUS

approved