A222349 Number of (n+5)X1 arrays of occupancy after each element moves up to +-n places including 0

144, 1145, 5525, 22950, 90440, 350056, 1348536, 5195700

Offset

1,1

Comments

Row 5 of A222345

Links

Table of n, a(n) for n=1..8.

Example

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

Crossrefs

Sequence in context: A165086 A337794 A235568 * A133062 A211473 A203826

Adjacent sequences: A222346 A222347 A222348 * A222350 A222351 A222352

Keyword

nonn

Author

R. H. Hardin Feb 16 2013

Status

approved