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A230755
Number of (n+3)X(6+3) 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero
1
4120752, 3423037464, 3154520054700, 2446111719135732, 1928867953682733132, 1504181314566629793432, 1173949802576478433728192, 915433809414452667025137888, 713802193109443984513638090432
OFFSET
1,1
COMMENTS
Column 6 of A230757
LINKS
EXAMPLE
Some solutions for n=1
..0..1..0..2..1..0..0..2..0....0..2..0..1..1..2..0..2..0
..2..1..0..0..1..2..0..1..1....0..1..2..0..1..2..0..1..1
..0..0..2..2..2..1..1..0..2....0..1..2..0..1..1..2..2..0
..2..1..1..1..1..1..2..0..2....0..2..2..1..2..0..1..1..1
CROSSREFS
Sequence in context: A345615 A346332 A333376 * A204151 A373528 A205245
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 29 2013
STATUS
approved