A221112 - OEIS

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A221112

Number of nX6 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without 2-loops

0

0, 190, 45842, 9107191, 1734890879, 326416281638, 61164981824003, 11445464707934974, 2140712629143434270, 400325049873007593322

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Column 6 of A221114

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A207355 A207198 A217343 * A295476 A238813 A103494

Adjacent sequences: A221109 A221110 A221111 * A221113 A221114 A221115

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 02 2013

STATUS

approved