A221339 Number of nX3 arrays of occupancy after each element moves to some king-move neighbor, with no 2-loops and with no occupancy greater than 2

0, 85, 1828, 49197, 1160820, 27492106, 645919942, 15174148882, 356331648780, 8367682180712, 196493019336142, 4614084810633380, 108347618798888098, 2544188148240114963, 59741469540161126266, 1402814427562259789640

Offset

1,2

Comments

Column 3 of A221341

Links

R. H. Hardin, Table of n, a(n) for n = 1..17

Example

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

Crossrefs

Sequence in context: A212474 A020310 A163692 * A262062 A220736 A157110

Adjacent sequences: A221336 A221337 A221338 * A221340 A221341 A221342

Keyword

nonn

Author

R. H. Hardin Jan 11 2013

Status

approved