A309061 - OEIS

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A309061

Rank of elliptic curve y^2 = x^3 + n^2 * x.

1

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

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OFFSET

1,17

LINKS

Table of n, a(n) for n=1..97.

FORMULA

a(n) = A060953(n^2).

PROG

(PARI) {a(n) = ellanalyticrank(ellinit([0, 0, 0, n^2, 0]))[1]}

CROSSREFS

Cf. A060953, A309060, A319510.

Sequence in context: A374092 A239657 A298934 * A289618 A161520 A070097

Adjacent sequences: A309058 A309059 A309060 * A309062 A309063 A309064

KEYWORD

nonn

AUTHOR

Seiichi Manyama, Jul 09 2019

STATUS

approved