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.

A355981 Primes in A052924.

Original entry on oeis.org

2, 7, 23, 251, 829, 9043, 29867, 38767343, 422886851, 65315297021063, 924799285908242999, 122759999090351161707303101641950043, 886664361994756976062881640589803447737545663, 2163095322339829235736053464677362677820481059595235042725493776163807, 101154989700155341084064421509561811174544605210604335552565522072629352799
Offset: 1

Views

Author

R. J. Mathar, Jul 22 2022

Keywords

Comments

Related to the search of solutions of pair of congruences p^2 == -3 (mod q), q^2 == 3 (mod p).
Cosgrave and Dilcher list indices of these primes (1), 2, 3, 5, 6, 8, 9, 15, 17, ... up to 25000, including probable primes.

Crossrefs

Cf. A052924.

Programs

  • Mathematica
    Select[LinearRecurrence[{3, 1}, {1, 2}, 200], PrimeQ] (* Paolo Xausa, Mar 19 2024 *)

Formula

A000040 INTERSECT A052924.

Extensions

More terms from Jinyuan Wang, Jul 22 2022