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 A309225 #12 Oct 03 2019 13:36:12 %S A309225 0,3,369019,22877145 %N A309225 Indices m such that A008348(m)=0. %C A309225 These terms given here are based on the comments in A008348 from _Dmitry Kamenetsky_. %C A309225 Probably infinite, on probabilistic grounds, but this is an open question. (Comment modified by _N. J. A. Sloane_, Oct 03 2019.) %Y A309225 Cf. A008344, A008348. %K A309225 nonn,more %O A309225 1,2 %A A309225 _N. J. A. Sloane_, Aug 31 2019