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A298257 Number of nX6 0..1 arrays with every element equal to 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero. 1
0, 13, 7, 72, 238, 895, 3335, 13980, 55889, 230402, 953813, 3957108, 16359243, 67815820, 280896101, 1164014899, 4823739307, 19992787735, 82860456229, 343442251791, 1423487855696, 5900154785814, 24455403244104, 101365322534618 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A298259.

LINKS

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

EXAMPLE

Some solutions for n=8

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

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

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

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

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

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

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

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

CROSSREFS

Cf. A298259.

Sequence in context: A257928 A206611 A345399 * A298928 A152142 A298085

Adjacent sequences:  A298254 A298255 A298256 * A298258 A298259 A298260

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 15 2018

STATUS

approved

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Last modified January 27 03:09 EST 2022. Contains 350601 sequences. (Running on oeis4.)