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A221798 Number of nX5 arrays of occupancy after each element moves to some horizontal or vertical neighbor, without move-in move-out straight through or left turns 1
0, 112, 470, 26770, 291016, 8348792, 128392912, 2902283642, 51249757660, 1057112321675, 19743642679950, 392701939735569, 7503512799161496, 147078276950393993, 2836406566579942784, 55269364154475476649 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A221800

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..21

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A234681 A234674 A217992 * A340574 A189544 A154063

Adjacent sequences: A221795 A221796 A221797 * A221799 A221800 A221801

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 26 2013

STATUS

approved

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Last modified February 8 07:51 EST 2023. Contains 360136 sequences. (Running on oeis4.)