A222350 Number of (n+6)X1 arrays of occupancy after each element moves up to +-n places including 0

377, 3721, 19551, 84626, 340746, 1334368, 5175000, 20023200

Offset

1,1

Comments

Row 6 of A222345

Links

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

Example

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

Crossrefs

Sequence in context: A171489 A105717 A352264 * A277942 A241908 A198407

Adjacent sequences: A222347 A222348 A222349 * A222351 A222352 A222353

Keyword

nonn

Author

R. H. Hardin Feb 16 2013

Status

approved