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 1-1 of 1 results.

A172981 Primes p such that 210*p+41 is also prime.

Original entry on oeis.org

2, 5, 7, 11, 23, 29, 31, 53, 71, 79, 83, 89, 97, 107, 127, 131, 139, 151, 167, 191, 197, 211, 227, 229, 239, 241, 257, 269, 271, 277, 281, 283, 347, 349, 359, 379, 383, 409, 433, 449, 461, 499, 521, 587, 647, 673, 677, 709, 739, 743, 769, 787, 811, 823
Offset: 1

Views

Author

Vincenzo Librandi, Feb 06 2010

Keywords

Crossrefs

Cf. A140848.

Programs

  • Magma
    [p: p in PrimesUpTo(1000) | IsPrime(210*p+41)]; // Vincenzo Librandi, Dec 31 2013
  • Mathematica
    Select[Prime[Range[1000]], PrimeQ[210 # + 41]&] (* Vincenzo Librandi, Dec 31 2013 *)

Extensions

Definition modified by Harvey P. Dale, Aug 21 2016
Showing 1-1 of 1 results.