A230335 Number of nX6 0..2 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero

0, 8810, 2696012, 1000237228, 370609462746, 137077642883940, 50711260887195062, 18760268537988792192, 6940219809969553895010, 2567482288754181230590374, 949820818483563596236549646

Offset

1,2

Comments

Column 6 of A230337

Links

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

Example

Some solutions for n=3
..0..0..0..1..2..1....0..0..0..1..2..2....0..0..0..2..0..0....0..0..0..1..1..2
..1..2..0..0..0..0....1..0..1..2..0..2....1..2..1..1..1..1....1..2..0..2..0..2
..0..1..0..1..2..2....2..1..0..1..1..1....0..2..0..1..2..0....0..1..0..1..1..1

Crossrefs

Sequence in context: A179128 A206213 A270609 * A183752 A109027 A237761

Adjacent sequences: A230332 A230333 A230334 * A230336 A230337 A230338

Keyword

nonn

Author

R. H. Hardin, Oct 16 2013

Status

approved