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Table of n, a(n) for n=0..74.
Cf. A081431, A081433, A007088.
Sequence in context: A093474 A030101 A162742 * A136655 A060819 A089654
Adjacent sequences: A081429 A081430 A081431 * A081433 A081434 A081435
Reinhard Zumkeller, Mar 20 2003