2,1
All the values are conjectural and untrustworthy. - N. J. A. Sloane, Oct 05 2009
For n=1 see A061358. - N. J. A. Sloane, Oct 05 2009
Cf. A130588, A146295, A146296, A146297, A100949.
Sequence in context: A069672 A129005 A162729 * A041425 A119297 A180584
Adjacent sequences: A152162 A152163 A152164 * A152166 A152167 A152168
nonn,more
Jonathan Vos Post (jvospost3(AT)gmail.com), Mar 30 2009