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 A103275 #5 Apr 19 2016 01:07:35
%S A103275 2,3,11,29,226,603,4201,10190,61830,818624,1885918,22642064,115299912,
%T A103275 256604379,1271523594,13524323830,140047498472,302827228170,
%U A103275 3049947866219,14117734283755,30195076020892,294858942948153
%N A103275 a(n)=Sum( Product p_i, {Sum p_i=prime(n)}, p_i is prime ).
%e A103275 a(5)=2*2*2*2*3 + 2*2*2*5 + 2*2*7 + 2*3*3*3 + 3*3*5 + 11 = 226.
%K A103275 nonn
%O A103275 1,1
%A A103275 _Yasutoshi Kohmoto_, Jan 27 2005
%E A103275 More terms from _Ryan Propper_, Jul 21 2006