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 A309033 #10 Sep 08 2022 08:46:21 %S A309033 82,226,322,377,442,582,626,706,745,777,799,870,901,910,1042,1045, %T A309033 1122,1154,1221,1271,1292,1312,1351,1442,1462,1522,1525,1590,1596, %U A309033 1631,1705,1780,1785,1850,1906,1967,2006,2041,2105,2162,2316,2331,2385,2402,2410,2482,2501,2691 %N A309033 Numbers k for which rank of the elliptic curve y^2=x^3-k*x is 3. %o A309033 (PARI) for(k=1, 3e3, if(ellanalyticrank(ellinit([0, 0, 0, -k, 0]))[1]==3, print1(k", "))) %o A309033 (Magma) for k in[1..3000] do if Rank(EllipticCurve([0,0,0,-k,0])) eq 3 then print k; end if; end for; // _Vaclav Kotesovec_, Jul 08 2019 %Y A309033 Cf. A002156 (rank 0), A002157 (rank 1). A309032 (rank 2), this sequence (rank 3), A309034 (rank 4). %Y A309033 Cf. A309030. %K A309033 nonn %O A309033 1,1 %A A309033 _Seiichi Manyama_, Jul 08 2019