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A278005 Number of nX7 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) (1,-1) or (1,0), with upper left element zero. 1
0, 120462, 114975158, 149393609720, 191436065235070, 244860735613038021, 313290097915534353668, 400844111719355445735946, 512863838120564283929797977, 656188759746987684995405135741 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A278006.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..50

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Cf. A278006.

Sequence in context: A190378 A092015 A250673 * A237336 A234340 A251001

Adjacent sequences:  A278002 A278003 A278004 * A278006 A278007 A278008

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 08 2016

STATUS

approved

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Last modified July 24 17:43 EDT 2021. Contains 346273 sequences. (Running on oeis4.)