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 A120484 #3 Oct 02 2013 15:12:52
%S A120484 2,3,10,21,66,117,289,437,920,2523,3441,8103,13776,17759,28858,57399,
%T A120484 109150,134078,243210,355497,427853,733278,1036504,1711648,3243583,
%U A120484 4414609,5136713,6919797,8012154,10692625,28100655,36616596,54001290
%N A120484 a(n) = Sum(Sum p_i, {Sum p_i=prime(n)}, p_i is prime).
%e A120484 a(5) = (2+2+2+2+3) + (2+2+2+5) + (2+2+7) + (2+3+3+3) + (3+3+5) + 11 = 66.
%Y A120484 Cf. A103275.
%K A120484 nonn
%O A120484 1,1
%A A120484 _Ryan Propper_, Jul 21 2006
%E A120484 More terms from _Ryan Propper_, Sep 27 2006