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A221889 Number of nX5 arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, without 2-loops or left turns 0
0, 169, 2722, 154458, 5408074, 216702488, 8108157774, 312478899428, 11844506207312, 452737020967585, 17231687717703318, 657222685236663008, 25040978402084210994, 954569517870158674877, 36379458343654847722008 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A221890

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A231974 A183716 A012014 * A156160 A264261 A232002

Adjacent sequences:  A221886 A221887 A221888 * A221890 A221891 A221892

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 30 2013

STATUS

approved

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Last modified January 26 15:01 EST 2022. Contains 350599 sequences. (Running on oeis4.)