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For odd n, a(n) is a multiple of n.
Table of n, a(n) for n=1..26.
a(n)=n*A075059(n)+A000217(n-1). - R. J. Mathar, Mar 20 2007
Cf. A075059, A060401, A075061.
Sequence in context: A163158 A171130 A112089 * A022497 A258341 A054128
Adjacent sequences: A075059 A075060 A075061 * A075063 A075064 A075065
Amarnath Murthy, Sep 08 2002
More terms from R. J. Mathar, Mar 20 2007