cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-2 of 2 results.

A309146 Least k such that the rank of the elliptic curve y^2 = x^3 + (k^2 - 6*k - 3)*x^2 + 16*k*x is n.

Original entry on oeis.org

2, 11, 74, 854
Offset: 0

Views

Author

Seiichi Manyama, Jul 14 2019

Keywords

Crossrefs

A309143 Numbers k for which rank of the elliptic curve y^2=x^3+(k^2-6*k-3)*x^2+16*k*x is 2.

Original entry on oeis.org

74, 141, 194, 199, 202, 227, 228, 234, 268, 294, 310, 323, 326, 338, 353, 379, 381, 387, 434, 439, 455, 461, 462, 464, 467, 494, 499, 519, 522, 526, 532, 535, 542, 555, 561, 563, 588, 599, 606, 613, 617, 619, 632, 654, 669, 737, 753, 774, 781, 793, 818, 851, 858, 873
Offset: 1

Views

Author

Seiichi Manyama, Jul 14 2019

Keywords

Crossrefs

Cf. A309142.

Programs

  • PARI
    for(k=10, 1e3, if(ellanalyticrank(ellinit([0, k^2-6*k-3, 0, 16*k, 0]))[1]==2, print1(k", ")))

Formula

A309142(a(n)) = 2.
Showing 1-2 of 2 results.