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Table of n, a(n) for n=2..23.
Cf. A038623-A038627, A057809, A087235-A087241.
Sequence in context: A081272 A027026 A251195 * A044212 A044593 A262492
Adjacent sequences: A087237 A087238 A087239 * A087241 A087242 A087243
Labos Elemer, Sep 04 2003