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A298068 Number of nX6 0..1 arrays with every element equal to 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero. 1
0, 25, 253, 2197, 33869, 532282, 7794251, 117272307, 1752542571, 26390978567, 396816511614, 5963619560813, 89689074440813, 1348685504891460, 20280052387506779, 304959778790279486, 4585803356289623686 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A298070.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A298070.

Sequence in context: A042208 A143009 A090022 * A017450 A264267 A164756

Adjacent sequences:  A298065 A298066 A298067 * A298069 A298070 A298071

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 11 2018

STATUS

approved

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Last modified August 16 20:45 EDT 2022. Contains 356169 sequences. (Running on oeis4.)