login
A221799
Number of nX6 arrays of occupancy after each element moves to some horizontal or vertical neighbor, without move-in move-out straight through or left turns
1
1, 338, 4073, 308070, 8348792, 399279970, 13922688699, 579257407874, 21834235656858, 870030406828016, 33601209785307294, 1320837497060408788, 51404875754751391265, 2011965871277470408364, 78494607904200406501896
OFFSET
1,2
COMMENTS
Column 6 of A221800
LINKS
EXAMPLE
Some solutions for n=3
..1..1..2..1..0..1....1..1..1..1..2..1....0..2..1..1..1..0....1..1..1..1..1..1
..1..0..0..0..2..2....1..1..0..1..0..0....1..1..1..1..2..2....1..2..1..2..1..1
..2..1..1..2..1..0....1..1..1..2..1..2....1..1..1..1..1..0....0..1..0..1..1..1
CROSSREFS
Sequence in context: A186044 A070311 A205648 * A059976 A232782 A035750
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 26 2013
STATUS
approved