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 A108313 #8 Jul 31 2015 01:16:14
%S A108313 3,5,7,24,49,59,102,120,181,252,341,515,553,593,635,883,1153,1092,
%T A108313 1283,1488,1415,1793,1873,2124,2771,3066,2963,3067,2958,3068,4361,
%U A108313 4487,5153,5291,5999,5848,6622,6776,6940,7104,7974,8152,9080,9270,9462,9660,11099
%N A108313 Sum of primes q with prime(n) < q < 2*prime(n).
%C A108313 Sum of the numbers not killed in the first jump of a Sieve of Eratosthenes table. - _Odimar Fabeny_, Jul 21 2010
%e A108313 a(3) = 24 because between 7 and 14 there are two primes 11 and 13 whose sum is 24.
%t A108313 f[n_] := Plus @@ Prime[Range[n + 1, PrimePi[2Prime[n]]]]; Table[ f[n], {n, 40}] (* _Robert G. Wilson v_, Jul 01 2005 *)
%K A108313 easy,nonn
%O A108313 1,1
%A A108313 _Giovanni Teofilatto_, Jun 30 2005
%E A108313 Edited and extended by _Robert G. Wilson v_, Jul 01 2005