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.

A098761 Primes of the form prime(n) + prime(n+1) - prime(n+2) with multiplicity, ordered by increasing n.

Original entry on oeis.org

5, 7, 11, 13, 13, 23, 37, 37, 41, 53, 73, 97, 101, 103, 109, 127, 137, 157, 179, 191, 223, 223, 229, 251, 263, 271, 269, 307, 311, 353, 373, 389, 409, 419, 433, 457, 479, 487, 491, 503, 541, 563, 571, 593, 641, 647, 673, 683, 691, 701, 757, 809, 821, 853, 859
Offset: 1

Views

Author

Giovanni Teofilatto, Oct 30 2004

Keywords

Crossrefs

Cf. A098865.

Programs

  • Magma
    [a: n in [1..150] | IsPrime(a) where a is NthPrime(n)+NthPrime(n+1)-NthPrime(n+2)]; // Vincenzo Librandi, Jun 23 2016
  • Mathematica
    Select[First[#]+#[[2]]-Last[#]&/@Partition[Prime[Range[200]], 3,1], PrimeQ] (* Harvey P. Dale, Jun 05 2011 *)

Extensions

Edited, corrected and extended by Ray Chandler, Nov 04 2004