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A221000 Number of nX5 arrays of occupancy after each element stays put or moves to some horizontal or vertical neighbor 0
55, 29135, 14113081, 6758547145, 3229188933738, 1542208831960569, 736464037749057990, 351682265933341657231 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A221001

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for n=3

..0..1..0..3..1....0..1..1..0..2....0..1..1..2..0....0..1..3..0..1

..0..3..0..1..0....0..3..0..0..2....0..4..0..1..0....0..3..0..0..1

..0..4..0..2..0....0..3..0..2..1....0..1..1..2..2....0..2..0..3..1

CROSSREFS

Sequence in context: A033512 A201008 A172722 * A196428 A231907 A027580

Adjacent sequences:  A220997 A220998 A220999 * A221001 A221002 A221003

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 28 2012

STATUS

approved

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Last modified October 19 09:36 EDT 2021. Contains 348074 sequences. (Running on oeis4.)