A221249 Number of 5Xn arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor

0, 3025, 441720, 367565584, 142283547000, 71306050492681, 31835526389622592, 14864426276052147876

Offset

1,2

Comments

Row 5 of A221245

Links

Table of n, a(n) for n=1..8.

Example

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

Crossrefs

Sequence in context: A034600 A225996 A167044 * A038544 A252142 A031553

Adjacent sequences: A221246 A221247 A221248 * A221250 A221251 A221252

Keyword

nonn

Author

R. H. Hardin Jan 06 2013

Status

approved