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 A342569 #8 May 05 2021 08:42:30 %S A342569 2,5,6,13,15,20,34,83,174,246,911,1065,1084,1455,1490,1546,3674,8644, %T A342569 9556,15287,15378,15826,25670 %N A342569 Noncube addends k > 0 such that x^3 + k produces a new minimum of its Hardy-Littlewood constant. %C A342569 a(24) > 42500. %C A342569 For more information and references see A331950. %e A342569 n a(n) Hardy-Littlewood np / (expected number of primes) %e A342569 constant (rounded) obtained from Li((10^9)^3+a(n)) %e A342569 np (x<=10^9) (similar to table in A331946) %e A342569 1 2 1.298539558 22009948 1.34597 %e A342569 2 5 1.142678324 19372839 1.18470 %e A342569 3 6 0.822719287 13944026 0.85272 %e A342569 4 13 0.814418714 13802244 0.84405 %e A342569 5 15 0.784789179 13305075 0.81364 %e A342569 ... %e A342569 20 15287 0.422422003 7162493 0.43801 %e A342569 21 15378 0.419380705 7108723 0.43472 %e A342569 22 15826 0.416982640 7068923 0.43228 %e A342569 23 25670 0.388993112 6597073 0.40343 %Y A342569 Cf. A331946, A331949 (similar for x^2+k), A331950, A342547. %K A342569 nonn,hard,more %O A342569 1,1 %A A342569 _Hugo Pfoertner_, May 03 2021