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 A198393 #9 Sep 08 2022 08:45:59 %S A198393 1,0,0,0,2,0,2,1,0,1,0,1,2,1,0,1,1,2,1,0,2,1,1,1,1,1,1,2,0,0,1,1,1,1, %T A198393 0,0,2,2,0,1,1,1,2,1,1,2,2,1,0,2,0,0,1,2,1,0,1,1,2,2,1,0,2,1,3,1,2,1, %U A198393 0,0,1,0,2,3,1,0,2,1,1,0,1,1,2,1,1,3,1,0,1,2,0,0,1,2,1,0,1,1,1,1 %N A198393 Rank of hyperelliptic curve y^2 = x^5 - n. %C A198393 If a(n)=0 number of rational points of hyperelliptic curve is finite and if a(n)<>0 then is infinite. For n when a(n)=0 see A198394. %o A198393 (Magma) _<x> := PolynomialRing(Rationals()); %o A198393 for n := 1 to 100 do %o A198393 C := HyperellipticCurve(x^5-n); %o A198393 J := Jacobian(C); %o A198393 RankBound(J) %Y A198393 Cf. A179406, A179407, A179408. %K A198393 nonn %O A198393 1,5 %A A198393 _Artur Jasinski_, Oct 24 2011