OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
EXAMPLE
703=T(73) and 307 is prime.
MATHEMATICA
Select[Accumulate[Range[600]], PrimeQ[FromDigits[ Reverse[ IntegerDigits[ #]]]]&] (* Harvey P. Dale, Sep 30 2015 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Jan 31 2006
STATUS
approved