A229378 Number of nX6 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 diagonally or antidiagonally.

448, 8818, 346598, 11441370, 407900408, 13999334726, 492938029980, 17047266083040, 597865838000740, 20740608165866648, 725812479117899160, 25224055021486126018, 881505120022046301944, 30668872473833482523122

Offset: 1

Author

R. H. Hardin Sep 21 2013

Keywords

• nonn

Comments

Column 6 of A229380

Examples

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

Links

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