A218180 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nX7 array.

602, 172038, 70125438, 20223079322, 6885852440176, 2257342895377582

Offset: 1

Author

R. H. Hardin Oct 22 2012

Keywords

• nonn

Comments

Column 7 of A218181

Examples

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