A221816 - OEIS

A221816

Number of n X 5 arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out straight through or left turns.

0, 459, 7320, 854959, 35993876, 2428955613, 129447996326, 7724887856687, 436026216073506, 25287203918142223, 1447193400737482466, 83360775579090600519, 4786565078482676164476, 275268393979592262231620

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OFFSET

1,2

COMMENTS

Column 5 of A221817.

LINKS

Table of n, a(n) for n=1..14.

EXAMPLE

Some solutions for n=3

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

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

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