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A221428 Number of nX5 arrays of occupancy after each element moves to some horizontal or vertical neighbor, without consecutive moves in the same direction 1
0, 1116, 46288, 6688747, 594252456, 63104234772, 6231370575592, 634117029495878, 63673069407290282, 6432348563779924189, 647948724125558164282, 65359069945349012946042, 6588402774880706841163072 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A221429

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..15

EXAMPLE

Some solutions for n=3

..0..0..1..1..0....1..1..1..1..0....0..1..0..0..1....0..1..0..1..1

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

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

CROSSREFS

Sequence in context: A259295 A260103 A258691 * A161848 A020380 A243527

Adjacent sequences:  A221425 A221426 A221427 * A221429 A221430 A221431

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 15 2013

STATUS

approved

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Last modified May 20 16:05 EDT 2022. Contains 353874 sequences. (Running on oeis4.)