A221606 Number of nX5 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without move-in move-out left turns

8, 269, 11344, 472974, 19521328, 804371949, 33145684280, 1365843685939, 56282519118170, 2319240785853143, 95569244964756520, 3938133831920557429, 162279173292628454730, 6687058186608668579673

Offset

1,1

Comments

Column 5 of A221609

Links

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

Example

Some solutions for n=3
..0..2..1..3..1....0..2..1..0..2....0..2..2..2..0....1..1..1..1..0
..1..1..0..0..2....1..2..1..3..0....1..0..0..2..1....0..2..2..3..0
..0..1..1..2..0....0..1..1..1..0....1..1..0..2..1....1..0..1..2..0

Crossrefs

Sequence in context: A299328 A098275 A326920 * A230590 A300047 A336214

Adjacent sequences: A221603 A221604 A221605 * A221607 A221608 A221609

Keyword

nonn

Author

R. H. Hardin Jan 20 2013

Status

approved