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

1,1

Comments

Column 6 of A229380

Links

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

Example

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

Crossrefs

Sequence in context: A234175 A234170 A120104 * A229370 A174154 A071104

Adjacent sequences: A229375 A229376 A229377 * A229379 A229380 A229381

Keyword

nonn

Author

R. H. Hardin Sep 21 2013

Status

approved