A229379 Number of nX7 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 diagonally or antidiagonally.

1224, 36374, 2486980, 138118032, 8454015792, 492938029980, 29757371834046, 1753378119210848, 105365264675732262, 6236225995970496338, 373776319178643511574, 22179629928239882354518, 1327081034442636655221164

Offset: 1

Author

R. H. Hardin Sep 21 2013

Keywords

• nonn

Comments

Column 7 of A229380

Examples

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

Links

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