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A298136 Number of nX5 0..1 arrays with every element equal to 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero. 1
0, 11, 0, 20, 88, 242, 627, 2604, 8137, 28727, 101137, 350450, 1221711, 4290711, 14968081, 52427734, 183691236, 643194452, 2252416158, 7891461835, 27639419217, 96818359023, 339160988868, 1188063187221, 4161765906348, 14578893452507 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A298139.

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

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

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

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

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

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

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

CROSSREFS

Cf. A298139.

Sequence in context: A186072 A299780 A297873 * A334370 A274851 A075360

Adjacent sequences: A298133 A298134 A298135 * A298137 A298138 A298139

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 13 2018

STATUS

approved

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Last modified February 3 18:43 EST 2023. Contains 360044 sequences. (Running on oeis4.)