0,1
Prime versus probable prime status and proofs are given in the author's table.
P. De Geest, SUPP Reference Table
a(n)=23 -> (35*10^23-53)/99 = 35353535353535353535353.
Cf. A062209-A062232, A059758, A032758.
Sequence in context: A100703 A137086 A137087 this_sequence A050280 A005761 A009002
Adjacent sequences: A062215 A062216 A062217 this_sequence A062219 A062220 A062221
nonn,base
Patrick De Geest (pdg(AT)worldofnumbers.com) and Hans Rosenthal (Hans.Rosenthal(AT)t-online.de), Jun 15 2001.
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