A221928 Number of nX5 arrays of occupancy after each element stays put or moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out straight through or left turns.

28, 20933, 6888458, 2568601026, 938516646422, 344170748565832, 126100252425009531, 46209296640385349436, 16932783333617347990176

Offset: 1

Author

R. H. Hardin Feb 01 2013

Keywords

• nonn

Comments

Column 5 of A221929

Examples

			Some solutions for n=3
..0..0..1..1..1....0..0..3..0..1....0..3..0..0..2....0..0..3..0..0
..0..5..1..0..0....0..2..1..3..1....0..4..1..2..2....0..3..0..3..1
..0..0..1..4..1....0..4..0..0..0....0..1..0..0..0....0..2..2..0..1