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Apart from the first terms, identical to A071978. [From R. J. Mathar, Sep 20 2008]
Table of n, a(n) for n=1..50.
Cf. A077164, A077165, A077167.
Sequence in context: A111925 A238804 A030723 * A230429 A003192 A018682
Adjacent sequences: A077163 A077164 A077165 * A077167 A077168 A077169
Amarnath Murthy, Oct 31 2002
Corrected and extended by Sascha Kurz, May 09 2004