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 A378745 #7 Dec 08 2024 17:17:50 %S A378745 4,9,125,49,161051,2197,410338673,130321,12167,12200509765705829, %T A378745 923521,94931877133,1555098314991537910888601,11688200277601, %U A378745 10779215329,1174711139837,15413179794770734626518662321719325259,191707312997281,8182718904632857144561,19118715823042429491729074582041753821507871751,58871586708267913 %N A378745 a(n) = prime(n)^A378744(n). %C A378745 Terms are all present in A337372, i.e., are primitively prime-shift abundant. %H A378745 Antti Karttunen, <a href="/A378745/b378745.txt">Table of n, a(n) for n = 1..170</a> %F A378745 a(n) = A000040(n)^A378744(n). %o A378745 (PARI) A378745(n) = { my(p=prime(n), q=prime(1+n)); for(k=1,oo,if(q^k > 2*(p^k), return(p^k))); }; %Y A378745 Cf. A000040, A003961, A337372, A378744. %Y A378745 Cf. also A378746. %K A378745 nonn %O A378745 1,1 %A A378745 _Antti Karttunen_, Dec 08 2024