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.

A188583 Primes p such that 6*p^3+1 is also prime.

Original entry on oeis.org

3, 5, 13, 41, 97, 131, 223, 283, 353, 397, 461, 467, 523, 577, 661, 677, 691, 773, 811, 887, 937, 997, 1091, 1223, 1277, 1321, 1447, 1487, 1567, 1571, 1637, 1721, 1741, 1777, 1823, 1861, 2161, 2243, 2273, 2341, 2351, 2357, 2371, 2383, 2467, 2551
Offset: 1

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Author

Bruno Berselli, Apr 22 2011

Keywords

Examples

			For prime  p = 283,  6*p^3+1 = 135991123  is prime.
		

Crossrefs

Programs

  • Magma
    [ p: p in PrimesUpTo(2600) | IsPrime(6*p^3+1) ];
  • Mathematica
    Select[Prime[Range[500]],PrimeQ[6#^3+1]&] (* Harvey P. Dale, May 13 2011 *)