This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A153478 #9 Aug 19 2016 04:39:22 %S A153478 2,25,62,109,162,229,308,391,480,577,690,817,948,1105,1268,1435,1608, %T A153478 1819,2042,2275,2526,2783,3046,3323,3616,3923,4240,4571,4908,5261, %U A153478 5620,5987,6360,6739,7122,7511,7908,8309,8718,9157,9600 %N A153478 Sum of first n isolated (or single) primes A007510. %H A153478 G. C. Greubel, <a href="/A153478/b153478.txt">Table of n, a(n) for n = 1..1000</a> %H A153478 Omar E. Pol, <a href="http://www.polprimos.com">Determinacion geometrica de los numeros primos y perfectos</a> %t A153478 Accumulate[Select[Prime[Range[100]],!PrimeQ[#-2]&&!PrimeQ[#+2]&]] (* _Harvey P. Dale_, Feb 08 2011 *) %Y A153478 Cf. A000040, A007504, A007510, A048598, A071148, A153474. %K A153478 easy,nonn %O A153478 1,1 %A A153478 _Omar E. Pol_, Dec 27 2008