OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..300
MATHEMATICA
NestList[NextPrime[10#, -1]&, 17, 20] (* Harvey P. Dale, Sep 05 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Dec 16 2006
STATUS
approved