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A298130 Number of nX5 0..1 arrays with every element equal to 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero. 1
0, 10, 62, 233, 2621, 21537, 175014, 1557284, 13225388, 115057043, 995377715, 8609735775, 74634586211, 646239250543, 5597827267858, 48490327697080, 420018142359036, 3638291956178446, 31515344567810130, 272991120320041375 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A298133.

LINKS

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

EXAMPLE

Some solutions for n=7

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

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

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

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

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

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

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

CROSSREFS

Cf. A298133.

Sequence in context: A321386 A015867 A297863 * A106629 A240157 A196632

Adjacent sequences:  A298127 A298128 A298129 * A298131 A298132 A298133

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 13 2018

STATUS

approved

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Last modified October 26 22:06 EDT 2021. Contains 348269 sequences. (Running on oeis4.)