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 A046093 #30 Apr 03 2021 00:26:53 %S A046093 5,9,251,2673,1375298099,106426514 %N A046093 Erroneous version of A230563. %C A046093 Both a(2) and a(6) are wrong. %H A046093 R. Alter, <a href="https://doi.org/10.1007/BFb0096461">Computations and generalizations on a remark of Ramanujan</a>, pp. 182-196 of "Analytic Number Theory (Philadelphia, 1980)", ed. M. I. Knopp, Lect. Notes Math., Vol. 899, 1981. The value given in Table 5 is wrong. %K A046093 dead %O A046093 1,1