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 A240074 #6 Jul 03 2018 22:53:14 %S A240074 1,4,11,23,43,82,149,278,471,853,1378,2594,4474,7999,15747,27458, %T A240074 48615,84320,166806,297146,544525,973799 %N A240074 Index of the first superabundant number k having abundance >= n. %C A240074 Sequence A004394 has a link to a file containing the first 10^6 superabundant numbers. Sequence A023199 lists the first 9 numbers. %F A240074 a(n) = least k such that A004394(k) > n*k. %Y A240074 Cf. A004394 (superabundant numbers), A023199. %K A240074 nonn,more,hard %O A240074 1,2 %A A240074 _T. D. Noe_, Apr 09 2014