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 A342549 #12 May 08 2021 15:28:15 %S A342549 1,5,12,57,75,135,195,210,660 %N A342549 Factors k > 0 such that the polynomial 2*k*x^3 + 1 produces a record of its Hardy-Littlewood constant. %C A342549 a(10) > 10000. %C A342549 For more information and references see A331950. %e A342549 n a(n) Hardy-Littlewood %e A342549 constant (rounded) %e A342549 1 1 2.5970791151 %e A342549 2 5 3.3401203819 %e A342549 3 12 4.1716318164 %e A342549 4 57 4.5504531392 %e A342549 5 75 4.7090460169 %e A342549 6 135 5.0101805728 %e A342549 7 195 5.3408627801 %e A342549 8 210 6.0848257259 %e A342549 9 660 6.5566372288 %Y A342549 Cf. A331945 (records for k*x^2+1), A331950, A342547, A342548, A342566. %K A342549 nonn,hard,more %O A342549 1,2 %A A342549 _Hugo Pfoertner_, May 01 2021