A309164 Least k such that the rank of the elliptic curve y^2 = x * (x+1) * (x+k) is n.

2, 7, 31, 627, 15991

Offset

0,1

Links

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

H. Mishima, Tables of Elliptic Curves

Prog

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

Crossrefs

Cf. A309162, A309165.

Sequence in context: A091312 A118581 A102159 * A102163 A102164 A147782

Adjacent sequences: A309161 A309162 A309163 * A309165 A309166 A309167

Keyword

nonn,more

Author

Seiichi Manyama, Jul 15 2019

Status

approved