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A222344 Number of (n+7)X1 arrays of occupancy after each element moves up to +-7 places including 0 0
6435, 24308, 92340, 352296, 1348536, 5175000, 19896840, 76608720, 295281045, 1139034799, 4396352766, 16975972331 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A222345

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

..2....3....0....1....0....1....9....3....2....0....1....0....0....1....0....2

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

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

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

CROSSREFS

Sequence in context: A104374 A222554 A104318 * A194720 A140916 A208621

Adjacent sequences:  A222341 A222342 A222343 * A222345 A222346 A222347

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 16 2013

STATUS

approved

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Last modified July 22 14:38 EDT 2019. Contains 325222 sequences. (Running on oeis4.)