A309163 Rank of elliptic curve y^2 = x * (x+1) * (x-n).

0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 2, 0, 1, 1, 1

Offset

1,88

Links

Seiichi Manyama, Table of n, a(n) for n = 1..1000

Prog

(PARI) {a(n) = ellanalyticrank(ellinit([0, -n+1, 0, -n, 0]))[1]}

Crossrefs

Cf. A309162, A309165.

Sequence in context: A326411 A348454 A348452 * A320655 A359786 A359763

Adjacent sequences: A309160 A309161 A309162 * A309164 A309165 A309166

Keyword

nonn

Author

Seiichi Manyama, Jul 15 2019

Status

approved