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A217271 Number of nX6 arrays of occupancy after each element moves to some horizontal or vertical neighbor 1
16, 20736, 17640000, 14755689729, 12276607432401, 10211121295308649, 8491624540729737796, 7061648944253957079481, 5872435140472364430803929, 4883489824271582246264899984, 4061085890163124328387958867561 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A217273

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A060205 A140597 A017296 * A168488 A070904 A308309

Adjacent sequences:  A217268 A217269 A217270 * A217272 A217273 A217274

KEYWORD

nonn

AUTHOR

R. H. Hardin Sep 29 2012

STATUS

approved

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Last modified June 17 04:55 EDT 2021. Contains 345080 sequences. (Running on oeis4.)