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A298052 Number of nX5 0..1 arrays with every element equal to 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero. 1
3, 23, 23, 73, 121, 231, 422, 865, 1729, 3286, 6319, 12563, 24164, 46151, 91180, 179529, 348543, 679612, 1324925, 2580453, 5044253, 9857924, 19226398, 37521143, 73217267, 142924098, 278999274, 544730946, 1063235208, 2075512334, 4051405413 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A298055.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A298055.

Sequence in context: A122902 A297855 A298090 * A298885 A298657 A299609

Adjacent sequences:  A298049 A298050 A298051 * A298053 A298054 A298055

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 11 2018

STATUS

approved

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Last modified March 28 07:59 EDT 2020. Contains 333079 sequences. (Running on oeis4.)