0,1

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

P. De Geest, SUPP Reference Table

a(n)=33 -> (19*10^33-91)/99 = 191919191919191919191919191919191.

Cf. A062209-A062232, A059758, A032758.

Sequence in context: A153783 A048911 A089015 this_sequence A132122 A003129 A043038

Adjacent sequences: A062212 A062213 A062214 this_sequence A062216 A062217 A062218

nonn,base

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