OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
EXAMPLE
17 is in the sequence because 2+3+5+7=17; 43=2+11+13+17; 271=2+83+89+97.
MATHEMATICA
Select[Total[#] + 2 & / @Partition[Prime[Range[200]], 3, 1], PrimeQ] (* Vincenzo Librandi, Sep 13 2013 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Oct 03 2009
EXTENSIONS
Edited by N. J. A. Sloane, Oct 04 2009
Terms from 313 to 773 inserted by R. J. Mathar, Oct 14 2009
STATUS
approved