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A222554 Number of (n+7)X1 arrays of occupancy after each element moves up to +-7 places but not 0 0
6427, 24230, 92011, 350967, 1342944, 5151294, 19797737, 76201719, 293634727, 1132449121, 4370239031, 16873077353 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A222555

LINKS

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

EXAMPLE

Some solutions for n=2

..1....1....0....2....0....2....2....0....1....2....0....3....1....1....0....0

..0....0....1....4....2....1....4....2....1....0....0....0....1....1....0....1

..2....5....0....0....0....1....2....1....4....3....1....1....0....0....0....0

..0....0....3....3....0....1....0....1....0....0....0....0....0....2....2....4

..1....0....1....0....0....1....1....1....0....0....0....3....2....1....1....0

..0....1....1....0....1....1....0....0....1....0....0....1....1....0....2....0

..1....2....0....0....4....0....0....1....1....4....6....0....0....3....0....2

..3....0....0....0....0....0....0....0....0....0....2....1....2....1....4....1

..1....0....3....0....2....2....0....3....1....0....0....0....2....0....0....1

CROSSREFS

Sequence in context: A259060 A259078 A104374 * A104318 A222344 A194720

Adjacent sequences:  A222551 A222552 A222553 * A222555 A222556 A222557

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 24 2013

STATUS

approved

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Last modified May 28 18:24 EDT 2022. Contains 354122 sequences. (Running on oeis4.)