A221191 Number of nX4 arrays of occupancy after each element moves to some king-move neighbor

4, 3605, 577414, 106838218, 19002899459, 3397426494884, 606510864326055, 108294148764084616, 19334906701693463285, 3452083666792005674916, 616337935832587055994226, 110041486205049878695692789

Offset

1,1

Comments

Column 4 of A221192

Links

Table of n, a(n) for n=1..12.

Example

Some solutions for n=3
..0..0..0..0....0..3..2..0....0..2..2..0....0..0..2..1....0..0..4..2
..0..2..0..3....0..3..3..1....1..3..1..1....0..6..0..0....2..1..1..0
..0..3..4..0....0..0..0..0....0..0..2..0....0..0..3..0....0..1..1..0

Crossrefs

Sequence in context: A134908 A114498 A069120 * A110104 A024061 A013830

Adjacent sequences: A221188 A221189 A221190 * A221192 A221193 A221194

Keyword

nonn

Author

R. H. Hardin Jan 04 2013

Status

approved