Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 4500 articles have referenced us, often saying "we would not have discovered this result without the OEIS".
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