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Table of n, a(n) for n=0..51.
Cf. A043096, A000217, A050759.
Sequence in context: A165145 A046489 A089717 * A075057 A069792 A194153
Adjacent sequences: A050757 A050758 A050759 * A050761 A050762 A050763
Patrick De Geest, Sep 15 1999.