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A278019 Number of 6Xn 0..2 arrays with every element plus 1 mod 3 equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero. 1
0, 7734, 2072344, 699721024, 233160226732, 77589535205794, 25821185682305524, 8592958824701790896, 2859602832674813814112, 951630300604165753555590, 316687355530488310683471550, 105388483387006153868422307268 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 6 of A278014.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..176

EXAMPLE

Some solutions for n=2

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

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

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

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

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

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

CROSSREFS

Cf. A278014.

Sequence in context: A259832 A202597 A092004 * A146960 A179574 A229419

Adjacent sequences:  A278016 A278017 A278018 * A278020 A278021 A278022

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 08 2016

STATUS

approved

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Last modified October 20 22:22 EDT 2021. Contains 348119 sequences. (Running on oeis4.)