A221091 Number of 5Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor.

0, 256, 33858, 11363641, 2714713664, 698931112441, 174511967464624, 43919928176330761, 11014499735951633272, 2765013577800867302464, 693828347950525800594252, 174124647942405489006942784

Offset

1,2

Comments

Row 5 of A221087

Links

R. H. Hardin, Table of n, a(n) for n = 1..21

Example

Some solutions for n=3
..1..1..1....1..3..0....0..3..0....0..3..0....0..1..1....0..1..0....0..3..2
..0..3..0....0..0..2....2..2..0....2..2..0....0..4..2....1..2..0....0..0..0
..0..1..0....0..2..1....0..2..1....0..0..1....0..2..0....1..2..0....0..3..1
..2..4..0....0..4..1....1..1..1....0..3..1....0..0..1....2..3..0....0..1..2
..0..1..1....0..1..0....0..2..0....0..2..1....1..3..0....0..2..1....0..3..0

Crossrefs

Sequence in context: A269292 A205362 A206101 * A205458 A206744 A207791

Adjacent sequences: A221088 A221089 A221090 * A221092 A221093 A221094

Keyword

nonn

Author

R. H. Hardin, Jan 01 2013

Status

approved