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).

0, 1089, 31329, 6487209, 793041921, 114228452529, 15615593045649, 2168295406671681, 299696508681902721, 41479887674695304025, 5738727994104197560329, 794048592071068202106225

Offset: 1

Author

R. H. Hardin, Oct 08 2013

Keywords

• nonn

Comments

Column 6 of A230068

Examples

			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
		

Links

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