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.

0, 120462, 114975158, 149393609720, 191436065235070, 244860735613038021, 313290097915534353668, 400844111719355445735946, 512863838120564283929797977, 656188759746987684995405135741

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