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A232571
Number of (n+1) X (n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, vertically or antidiagonally.
0
16, 1064, 767942, 4107586864, 164594058779448, 50532651470537361772, 116497839389906889442230276
OFFSET
1,1
COMMENTS
Diagonal of A232579.
EXAMPLE
Some solutions for n=2
..0..0..2....0..1..2....0..1..0....2..0..1....2..2..2....2..1..2....0..1..0
..1..2..1....1..2..0....1..2..2....1..2..1....1..1..0....1..0..0....2..0..1
..2..1..0....2..1..0....2..0..1....2..0..2....0..1..2....0..2..1....1..1..2
CROSSREFS
Cf. A232579.
Sequence in context: A029701 A281984 A266066 * A203096 A210822 A265622
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 26 2013
STATUS
approved