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 A318826 #28 Oct 10 2018 09:23:39 %S A318826 5,17,41,2137,11455307,1178314103 %N A318826 a(n) is the first prime p that starts a run of length n of multiples of itself in alternate terms of A254077. %C A318826 a(n) is the first prime p occurring at position m in A254077, satisfying the condition that A254077(m + 2i) = p*(i+2) for all i from 1 through n. Also, A254077(m-2) = p*2. %C A318826 John P. Linderman calculated and confirmed a(6). %H A318826 John P. Linderman, <a href="/A254077/a254077_5.pdf">Notes on computation of first 5 billion terms</a> %H A318826 John Mason, <a href="/A254077/a254077.pdf">Some observations related to A254077</a> %e A318826 a(1)=5 because A254077(10)=5 and A254077(12)=15; %e A318826 a(2)=17 because A254077(33)=17 and A254077(35)=51 and A254077(37)=68. %Y A318826 Cf. A254077. %K A318826 nonn,more %O A318826 1,1 %A A318826 _John Mason_, Sep 05 2018