A222343 Number of (n+6)X1 arrays of occupancy after each element moves up to +-6 places including 0

1716, 6433, 24276, 92036, 350056, 1334368, 5094040, 19466280, 74437201, 284762777, 1089669471, 4170415998

Offset

1,1

Comments

Column 6 of A222345

Links

Table of n, a(n) for n=1..12.

Example

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

Crossrefs

Sequence in context: A267741 A185795 A260474 * A318628 A194719 A140910

Adjacent sequences: A222340 A222341 A222342 * A222344 A222345 A222346

Keyword

nonn

Author

R. H. Hardin Feb 16 2013

Status

approved