0,1

Prime versus probable prime status and proofs are given in the author's table.

P. De Geest, SUPP Reference Table

a(n)=9 -> (98*10^9-89)/99 = 989898989.

Cf. A062209-A062231, A059758, A032758.

Sequence in context: A109677 A024122 A060348 this_sequence A020523 A023039 A159831

Adjacent sequences: A062229 A062230 A062231 this_sequence A062233 A062234 A062235

nonn,base

Patrick De Geest (pdg(AT)worldofnumbers.com) and Hans Rosenthal (Hans.Rosenthal(AT)t-online.de), Jun 15 2001.