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A298131 Number of nX6 0..1 arrays with every element equal to 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero. 1
0, 25, 223, 1055, 21537, 285084, 3752401, 52922003, 714854991, 9882443650, 135778074542, 1864072607185, 25646093419747, 352488786489609, 4845708865503389, 66618364620496743, 915822218872378347 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A298133.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A298133.

Sequence in context: A224419 A297864 A065939 * A077346 A045785 A030484

Adjacent sequences:  A298128 A298129 A298130 * A298132 A298133 A298134

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 13 2018

STATUS

approved

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Last modified October 16 20:36 EDT 2021. Contains 348047 sequences. (Running on oeis4.)