%I #9 Aug 19 2016 04:39:22
%S 2,25,62,109,162,229,308,391,480,577,690,817,948,1105,1268,1435,1608,
%T 1819,2042,2275,2526,2783,3046,3323,3616,3923,4240,4571,4908,5261,
%U 5620,5987,6360,6739,7122,7511,7908,8309,8718,9157,9600
%N Sum of first n isolated (or single) primes A007510.
%H G. C. Greubel, <a href="/A153478/b153478.txt">Table of n, a(n) for n = 1..1000</a>
%H Omar E. Pol, <a href="http://www.polprimos.com">Determinacion geometrica de los numeros primos y perfectos</a>
%t Accumulate[Select[Prime[Range[100]],!PrimeQ[#-2]&&!PrimeQ[#+2]&]] (* _Harvey P. Dale_, Feb 08 2011 *)
%Y Cf. A000040, A007504, A007510, A048598, A071148, A153474.
%K easy,nonn
%O 1,1
%A _Omar E. Pol_, Dec 27 2008