login
A221239
Number of nX5 arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without 2-loops
0
0, 3913, 2217402, 1130617545, 543708183481, 258758829845879, 122696503196445552, 58120801668253857554
OFFSET
1,2
COMMENTS
Column 5 of A221240
EXAMPLE
Some solutions for n=3
..0..1..0..1..0....0..1..0..1..0....0..2..0..2..0....0..1..0..0..1
..0..2..2..3..3....0..5..1..3..1....0..3..2..2..3....0..2..2..3..0
..0..1..2..0..0....0..2..1..0..0....0..0..0..1..0....0..2..2..1..1
CROSSREFS
Sequence in context: A022212 A131409 A209732 * A136459 A235315 A229642
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 06 2013
STATUS
approved