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A121193
Erroneous version of A159866
1
1, 2, 5, 17, 55, 206, 718
OFFSET
1,2
CROSSREFS
Sequence in context: A149984 A149985 A149986 * A159866 A042671 A180148
KEYWORD
dead
AUTHOR
N. J. A. Sloane, Aug 17 2006
STATUS
approved