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.

A167626 Prime numbers ending in the prime number 101.

Original entry on oeis.org

101, 5101, 6101, 8101, 12101, 15101, 20101, 21101, 29101, 42101, 44101, 50101, 53101, 54101, 56101, 60101, 65101, 72101, 74101, 77101, 78101, 81101, 83101, 89101, 95101, 98101, 102101, 107101, 116101, 117101, 119101, 125101, 131101
Offset: 1

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Author

Mark A. Thomas, Nov 07 2009

Keywords

Crossrefs

Cf. A105106.
Cf. similar sequences listed in A244763.

Programs

  • Magma
    [n: n in PrimesUpTo(160000) | n mod 1000 eq 101]; // Vincenzo Librandi, Jul 07 2014
  • Maple
    select(isprime,[seq(1000*k+101,k=0..1000)]); # Robert Israel, Jul 07 2014
  • Mathematica
    Select[Prime@Range[200000], Mod[#, 1000]==101 &] (* Vincenzo Librandi, Jul 07 2014 *)
    Select[Table[1000n+101,{n,0,200}],PrimeQ] (* Harvey P. Dale, Mar 22 2020 *)

Formula

a(n) = 1000*A105106(n)+101. - R. J. Mathar, Nov 13 2009