A221199 Number of nX6 arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, with no occupancy greater than 2

16, 6400, 2518569, 1026177156, 420771471561, 172850051090025, 71030642332905025

Offset

1,1

Comments

Column 6 of A221200

Links

Table of n, a(n) for n=1..7.

Example

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

Crossrefs

Sequence in context: A258583 A337796 A159403 * A017008 A097547 A088654

Adjacent sequences: A221196 A221197 A221198 * A221200 A221201 A221202

Keyword

nonn

Author

R. H. Hardin Jan 04 2013

Status

approved