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A298137 Number of nX6 0..1 arrays with every element equal to 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero. 1
0, 13, 3, 68, 242, 917, 3417, 14533, 58845, 244155, 1024766, 4297121, 17950575, 75199021, 314755111, 1317874937, 5519233903, 23115442566, 96811939884, 405493370013, 1698383143180, 7113695019637, 29796021993208, 124802553668569 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A298139.

LINKS

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

EXAMPLE

Some solutions for n=7

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

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

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

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

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

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

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

CROSSREFS

Cf. A298139.

Sequence in context: A005602 A272175 A297874 * A155847 A204594 A204157

Adjacent sequences:  A298134 A298135 A298136 * A298138 A298139 A298140

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 13 2018

STATUS

approved

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Last modified April 23 07:51 EDT 2019. Contains 322381 sequences. (Running on oeis4.)