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A297873 Number of nX5 0..1 arrays with every element equal to 2, 3 or 5 king-move adjacent elements, with upper left element zero. 1
0, 11, 0, 20, 80, 231, 579, 2437, 7507, 26278, 91622, 316406, 1091518, 3805139, 13166620, 45743807, 158968332, 552175778, 1918002602, 6665774473, 23158033370, 80468332463, 279615402191, 971597706573, 3376114511226, 11731585710994 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A297876.

LINKS

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

EXAMPLE

Some solutions for n=7

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

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

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

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

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

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

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

CROSSREFS

Cf. A297876.

Sequence in context: A087557 A186072 A299780 * A298136 A334370 A274851

Adjacent sequences:  A297870 A297871 A297872 * A297874 A297875 A297876

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 07 2018

STATUS

approved

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Last modified June 20 06:56 EDT 2021. Contains 345157 sequences. (Running on oeis4.)