login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A221124
Number of nX6 arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor
0
144, 185164, 229006550, 282454178707, 348270153038959, 429398881440049645, 529420758866821620887
OFFSET
1,1
COMMENTS
Column 6 of A221125
EXAMPLE
Some solutions for n=3
..0..1..1..1..4..1....0..1..1..0..2..2....0..1..1..2..1..0....0..1..1..0..3..0
..0..3..1..1..0..1....0..3..1..2..0..2....0..3..3..2..0..0....0..3..3..3..1..0
..0..0..2..0..0..2....0..0..1..1..2..0....0..0..2..0..3..0....0..0..0..1..2..0
CROSSREFS
Sequence in context: A231827 A203098 A159724 * A008700 A047807 A023112
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 02 2013
STATUS
approved