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A221813 Number of 5Xn arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without move-in move-out straight through or left turns 0
0, 1156, 30716, 6328365, 462706496, 54679689449, 5044723744009, 526749494838582 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Row 5 of A221809
LINKS
EXAMPLE
Some solutions for n=3
..0..1..0....1..2..1....1..1..0....0..1..0....0..1..0....0..2..0....2..1..1
..1..2..2....0..1..1....1..2..2....0..3..1....2..3..0....2..0..1....1..0..1
..1..2..0....0..2..0....0..1..1....2..1..0....0..1..3....2..1..1....0..2..0
..1..1..0....2..2..1....0..3..1....0..2..2....1..1..1....1..1..1....2..2..2
..1..1..2....1..0..1....0..2..0....1..2..0....0..1..1....2..0..1....0..0..1
CROSSREFS
Sequence in context: A157168 A062915 A225938 * A232004 A034979 A189279
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 26 2013
STATUS
approved

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)