A309165 Least k such that the rank of the elliptic curve y^2 = x * (x+1) * (x-k) is n.

1, 6, 88, 3630

Offset

0,2

Links

Table of n, a(n) for n=0..3.

Prog

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

Crossrefs

Cf. A309163.

Sequence in context: A177563 A177569 A327645 * A127183 A054952 A101148

Adjacent sequences: A309162 A309163 A309164 * A309166 A309167 A309168

Keyword

nonn,more

Author

Seiichi Manyama, Jul 15 2019

Status

approved