A221428 Number of nX5 arrays of occupancy after each element moves to some horizontal or vertical neighbor, without consecutive moves in the same direction

0, 1116, 46288, 6688747, 594252456, 63104234772, 6231370575592, 634117029495878, 63673069407290282, 6432348563779924189, 647948724125558164282, 65359069945349012946042, 6588402774880706841163072

Offset

1,2

Comments

Column 5 of A221429

Links

R. H. Hardin, Table of n, a(n) for n = 1..15

Example

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

Crossrefs

Sequence in context: A259295 A260103 A258691 * A161848 A020380 A243527

Adjacent sequences: A221425 A221426 A221427 * A221429 A221430 A221431

Keyword

nonn

Author

R. H. Hardin Jan 15 2013

Status

approved