0,1

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

P. De Geest, SUPP Reference Table

a(n)=15 -> (73*10^15-37)/99 = 737373737373737.

Cf. A062209-A062232, A059758, A032758.

Sequence in context: A146696 A126950 A091847 this_sequence A044092 A044473 A067724

Adjacent sequences: A062219 A062220 A062221 this_sequence A062223 A062224 A062225

nonn,base

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