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 A084723 #7 Aug 23 2014 13:40:31 %S A084723 3,5,17,107,947,14177,269327,6733127,181794377,9635101877, %T A084723 549200806877,35698052446877,2534561723728127,220506869964346877, %U A084723 22271193866399034377,3362950273826254190627,655775303396119567171877 %N A084723 Primes arising in A083566. a(n) = n-th partial product of A083566 + 2. %Y A084723 Cf. A083566, A084724, A084725. %K A084723 nonn %O A084723 1,1 %A A084723 _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Jun 13 2003 %E A084723 More terms from _David Wasserman_, Jan 03 2005