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A121404 A093483(n)-2. 1
0, 2, 6, 12, 36, 96, 342, 22266, 79806, 187122, 347976, 2171616, 4219797672, 98059918332 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A099576 A026549 A120766 * A202337 A189854 A189565

Adjacent sequences:  A121401 A121402 A121403 * A121405 A121406 A121407

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Apr 21 2007

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Last modified February 17 07:41 EST 2012. Contains 205998 sequences.