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 A353726 #12 May 11 2022 20:18:30 %S A353726 0,2,3,11,54,74,88,183,3913,124845,2469947,4005550,19917707 %N A353726 Indices of records in A353724. %Y A353726 Cf. A353709, A353715, A353724, A353725, A353727. %K A353726 nonn,more %O A353726 1,2 %A A353726 _N. J. A. Sloane_, May 11 2022 %E A353726 a(10)-a(13) from _Walter Trump_, May 11 2022