1,2
Cf. A007377, A034293.
Sequence in context: A028966 A028767 A138529 * A005099 A161720 A105760
Adjacent sequences: A035054 A035055 A035056 * A035058 A035059 A035060
nonn,base
Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 1998.