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 A309061 #11 Jul 10 2019 02:21:44
%S A309061 0,0,1,0,0,0,1,0,0,1,1,1,0,1,1,0,2,0,1,0,0,0,1,0,0,1,1,1,0,1,1,0,0,0,
%T A309061 1,0,0,0,1,1,0,1,1,1,0,1,1,1,0,0,1,0,0,0,1,1,0,1,1,1,0,1,1,0,0,0,1,2,
%U A309061 2,0,1,0,0,1,1,1,2,1,1,0,0,2,1,0,0,0,1,0,0,1,1,1,0,1,1,0,2
%N A309061 Rank of elliptic curve y^2 = x^3 + n^2 * x.
%F A309061 a(n) = A060953(n^2).
%o A309061 (PARI) {a(n) = ellanalyticrank(ellinit([0, 0, 0, n^2, 0]))[1]}
%Y A309061 Cf. A060953, A309060, A319510.
%K A309061 nonn
%O A309061 1,17
%A A309061 _Seiichi Manyama_, Jul 09 2019