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A230066
Number of nX6 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value 2-x(i,j)
1
0, 1089, 31329, 6487209, 793041921, 114228452529, 15615593045649, 2168295406671681, 299696508681902721, 41479887674695304025, 5738727994104197560329, 794048592071068202106225
OFFSET
1,2
COMMENTS
Column 6 of A230068
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..1..2..1....0..2..1..0..0..0....1..0..1..0..0..0....2..1..0..1..0..0
..0..2..2..0..1..0....0..2..2..1..2..2....2..1..1..1..2..2....0..0..1..2..2..2
..0..2..0..0..2..1....0..2..0..0..1..0....1..0..1..1..0..0....2..2..0..0..0..0
CROSSREFS
Sequence in context: A023093 A001232 A039684 * A274755 A023101 A169977
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 08 2013
STATUS
approved