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A217344 Number of nX6 arrays of occupancy after each element moves to some horizontal or vertical neighbor but without 2-loops 0
0, 918, 561573, 267947653, 119394609842, 52019083898820, 22467362744958042, 9668189828315322283 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A217346

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A029897 A221387 A217226 * A221113 A062335 A179673

Adjacent sequences:  A217341 A217342 A217343 * A217345 A217346 A217347

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 01 2012

STATUS

approved

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Last modified December 4 09:51 EST 2021. Contains 349485 sequences. (Running on oeis4.)