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A222019 Number of nX6 arrays of occupancy after each element stays put or moves to some horizontal or vertical neighbor, without move-in move-out straight through or left turns 0
60, 70994, 41636522, 27460842224, 17838051289367, 11593944359617570, 7538777970648890706, 4901063986390211477492, 3186408336556340539334545 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A222020

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A225990 A185560 A003788 * A123378 A221692 A265714

Adjacent sequences:  A222016 A222017 A222018 * A222020 A222021 A222022

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 05 2013

STATUS

approved

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Last modified May 27 11:09 EDT 2022. Contains 354096 sequences. (Running on oeis4.)