# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a155852 Showing 1-1 of 1 %I A155852 #2 Mar 31 2012 12:38:20 %S A155852 3,509,146749,26444543,187206119,735187721,1662266153,2146936021, %T A155852 2844048943,4335869143,5539721989,5990371801,6145377247,6788645863, %U A155852 10092092897,19122368737,20186509381,25745240897,32732349829 %N A155852 n is prime and is the sum of the first k primes for some k in A071151. %C A155852 3+127+379=509 (prime), ... %t A155852 s1=s2=0;lst={};Do[p=Prime[n];s1+=p;If[PrimeQ[s1],s2+=s1;If[PrimeQ[s2],AppendTo[lst,s2]]],{n,2,8!}];lst %Y A155852 Cf. A013918, A071151, A155851 %K A155852 nonn %O A155852 1,1 %A A155852 _Vladimir Joseph Stephan Orlovsky_, Jan 29 2009 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE