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 A155961 #14 May 27 2016 12:38:57 %S A155961 3343221000,26745768000,90266967000 %N A155961 Numbers whose square can be expressed as the sum of two positive cubes in at least 3 ways. %C A155961 Although this sequence has keyword "bref", this sequence is infinite since if n is in this sequence, then n*k^3 is in this sequence for all k > 0. - _Altug Alkan_, May 10 2016 %H A155961 Uwe Hollerbach, <a href="http://www.korgwal.com/ramanujan/">Taxi, Taxi!</a> [Original link, broken] %H A155961 Uwe Hollerbach, <a href="http://web.archive.org/web/20120203221114/http://www.korgwal.com/ramanujan">Taxi, Taxi!</a> [Replacement link to Wayback Machine] %H A155961 Uwe Hollerbach, <a href="/A003825/a003825.html">Taxi! Taxi!</a> [Cached copy from Wayback Machine, html version of top page only] %F A155961 a(n) = sqrt(A155960(n)). %e A155961 a(1)=3343221000 where 3343221000^2 = 279300^3 + 2234400^3 = 790020^3 + 2202480^3 = 1256850^3 + 2094750^3. %Y A155961 Cf. A051302, A155960. %K A155961 nonn,hard,more,bref %O A155961 1,1 %A A155961 _Ray Chandler_, Jan 31 2009