1,2
Cf. A007377, A034293.
Sequence in context: A048336 A130574 A023780 * A113191 A191923 A191922
Adjacent sequences: A035061 A035062 A035063 * A035065 A035066 A035067
nonn,base
Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 1998.