A221326 Number of nX6 arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, with no occupancy greater than 2

99, 46211, 22181855, 10794156688, 5264460642473, 2568131772343102, 1252783082725664892, 611119758365760669838, 298107197445873504485520, 145417480551629396888700687, 70934889022803306796027176575

Offset

1,1

Comments

Column 6 of A221328

Links

R. H. Hardin, Table of n, a(n) for n = 1..16

Example

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

Crossrefs

Sequence in context: A295434 A233227 A132607 * A221301 A233144 A233236

Adjacent sequences: A221323 A221324 A221325 * A221327 A221328 A221329

Keyword

nonn

Author

R. H. Hardin Jan 11 2013

Status

approved