A222163 Number of (n+5)X1 arrays of occupancy after each element moves up to +-5 places but not 0 and without 2-loops

381, 1488, 5576, 20946, 79109, 299690, 1135379, 4291104, 16190182, 61049080, 230189508, 868002078, 3273177822

Offset

1,1

Comments

Column 5 of A222165

Links

Table of n, a(n) for n=1..13.

Example

Some solutions for n=3
..2....0....0....1....1....3....4....0....0....1....0....0....2....0....2....0
..0....0....3....0....2....1....1....0....3....0....0....0....2....0....0....4
..0....3....0....0....3....2....0....0....1....0....6....0....2....1....0....0
..2....0....0....1....1....1....1....1....0....2....1....0....0....2....1....0
..0....2....1....3....0....0....1....5....0....0....0....4....0....4....1....0
..1....1....1....0....1....1....0....1....1....4....0....1....1....0....1....1
..2....1....3....0....0....0....0....1....1....1....0....2....1....0....1....1
..1....1....0....3....0....0....1....0....2....0....1....1....0....1....2....2

Crossrefs

Sequence in context: A023910 A035845 A028682 * A297543 A297801 A201800

Adjacent sequences: A222160 A222161 A222162 * A222164 A222165 A222166

Keyword

nonn

Author

R. H. Hardin Feb 10 2013

Status

approved