OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[FromDigits/@Partition[RealDigits[\[Pi], 10, 1000][[1]], 11, 1], PrimeQ] (* Harvey P. Dale, Apr 21 2011 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Zak Seidov, Mar 27 2005
STATUS
approved