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A047693 Erroneous version of A002863. 0
0, 0, 1, 1, 2, 3, 7, 21, 49, 166, 549 (list; graph; refs; listen; history; internal format)
OFFSET

1,5

CROSSREFS

Sequence in context: A032313 A032223 A002863 * A001532 A109456 A155745

Adjacent sequences:  A047690 A047691 A047692 * A047694 A047695 A047696

KEYWORD

dead

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Last modified February 14 07:40 EST 2012. Contains 205597 sequences.