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 A326051 #6 Jun 12 2019 13:56:52 %S A326051 60,336,261888,229909120,738152448,25500590080 %N A326051 1/2 times 3-perfect (triply perfect, tri-perfect, triperfect or sous-double) numbers: a(n) = A005820(n)/2. %C A326051 If any odd perfect numbers exist, they should occur in this sequence, unless it is already complete, as some people believe. Please see comments and links in A005820. %H A326051 <a href="/index/O#opnseqs">Index entries for sequences where any odd perfect numbers must occur</a> %F A326051 a(n) = A005820(n)/2. %Y A326051 Cf. A005820. %K A326051 nonn,more,hard %O A326051 1,1 %A A326051 _Antti Karttunen_, Jun 12 2019