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 A087297 #3 Mar 30 2012 17:29:08 %S A087297 1,6,27,160,1169,12980,168909,2871742,54563459,1254960086,36393843335, %T A087297 1128209144346,41743738342171,1711493272030692,73594210697321605, %U A087297 3458927902774117644,183323178847028237941,10816067551974666042000 %N A087297 Add the next prime and multiply by the next prime. %F A087297 a(0)=1, a(n)=(a(n-1)+prime(n))*prime(n). %Y A087297 Cf. A019460. %K A087297 easy,nonn %O A087297 0,2 %A A087297 Sebastian Gutierrez (sgutierr(AT)alum.mit.edu), Oct 26 2003 %E A087297 More terms from _Ray Chandler_, Oct 26 2003