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A277657 Number of nX6 0..2 arrays with every element equal to some element at offset (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2. 1
0, 28, 2928, 376200, 41272404, 4770227060, 541407069559, 61782920451544, 7039498755007500, 802512669942654611, 91471885881045836163, 10426700328596033389040, 1188501290406035357519416 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A277659.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..68

EXAMPLE

Some solutions for n=3

..0..1..2..0..1..2. .0..1..2..0..1..0. .0..1..2..0..1..2. .0..1..1..2..0..2

..2..0..2..1..2..0. .2..0..2..2..2..2. .2..1..2..1..0..0. .2..2..0..2..1..1

..1..2..0..2..2..1. .1..0..1..2..0..1. .0..0..1..1..2..1. .0..1..0..2..2..0

CROSSREFS

Cf. A277659.

Sequence in context: A283519 A284770 A107444 * A285151 A232520 A061787

Adjacent sequences:  A277654 A277655 A277656 * A277658 A277659 A277660

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 26 2016

STATUS

approved

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Last modified August 12 10:16 EDT 2022. Contains 356069 sequences. (Running on oeis4.)