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 A078328 #10 Apr 17 2020 04:35:22 %S A078328 2,6,15,105,110,2145,935,3553,163438,618222,1681130,1314610,7478810, %T A078328 56528230,2533253470,872029246,84271102135,459400861870,58425959482, %U A078328 247074041822,949284476474,327711206734538,1447872915170,11714608131830,12499486876662610,63324881704174 %N A078328 Least m such that A078142(m) = A006530(m) = n-th prime. %C A078328 Is this sequence infinite? %e A078328 a(3)=15 because A078142(15) = A006530(15) = 5 and this is the first time 5 occurs. %Y A078328 Cf. A078142, A006530, A078327. %K A078328 nonn %O A078328 1,1 %A A078328 _Jason Earls_, Nov 24 2002 %E A078328 More terms from _Jinyuan Wang_, Apr 17 2020