A309068 Least k such that the rank of the elliptic curve y^2 = x^3 - k^2 is n.

1, 2, 11, 362, 7954

Offset

0,2

Links

Table of n, a(n) for n=0..4.

Prog

(PARI) {a(n) = my(k=1); while(ellanalyticrank(ellinit([0, 0, 0, 0, -k^2]))[1]<>n, k++); k}

Crossrefs

Cf. A031508, A060951, A194687, A309069.

Sequence in context: A367798 A222206 A229268 * A015180 A052290 A145512

Adjacent sequences: A309065 A309066 A309067 * A309069 A309070 A309071

Keyword

nonn,more

Author

Seiichi Manyama, Jul 10 2019

Status

approved