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 A137355 #10 Dec 08 2015 08:57:02
%S A137355 1,3,5,7,11,37,61,71,11971,16057,40697,46679,61547,66889,177839,
%T A137355 192781,355643,407977,1082099,1096621,1100467,1102537,3369329,3402271,
%U A137355 4442993,4462307,5293999,5304701,7099793,7104607,7342633,7413467,9448897,9657503
%N A137355 Slowest-increasing sequence of noncomposite numbers such that the partial sums of the sequence are perfect powers.
%C A137355 Also the first differences of A137354.
%H A137355 Robert G. Wilson v, <a href="/A137355/b137355.txt">Table of n, a(n) for n = 1..70 </a>
%t A137355 fQ[n_] := GCD @@ Last /@ FactorInteger@n > 1; p = 3; sp = 2; lst = {2}; While[p < 10^9, If[ fQ[sp + p], AppendTo[lst, p]; Print@p; sp = sp + p]; p = NextPrime@p]; lst
%Y A137355 Cf. A001597, A174722, A176578.
%K A137355 nonn
%O A137355 1,2
%A A137355 _R. J. Mathar_, Mar 07 2008
%E A137355 Edited and extended by _Robert G. Wilson v_, Apr 20 2010