A221325 Number of nX5 arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, with no occupancy greater than 2

41, 6328, 1010078, 162430981, 26135748494, 4205264399891, 676612123702617, 108863121975329470, 17515379016294357354, 2818106397041464685615, 453413942381102088419081, 72951161699753445110986111

Offset

1,1

Comments

Column 5 of A221328

Links

R. H. Hardin, Table of n, a(n) for n = 1..77

Example

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

Crossrefs

Sequence in context: A223130 A091758 A208255 * A104301 A221300 A221377

Adjacent sequences: A221322 A221323 A221324 * A221326 A221327 A221328

Keyword

nonn

Author

R. H. Hardin Jan 11 2013

Status

approved