A153504 Numbers n such that n^8+(n+1)^8 is a prime.

1, 5, 17, 23, 32, 33, 35, 39, 42, 66, 68, 76, 78, 90, 113, 118, 129, 152, 181, 186, 188, 198, 220, 221, 229, 231, 287, 300, 306, 307, 311, 316, 348, 362, 380, 401, 409, 414, 426, 443, 453, 464, 487, 503, 508, 510, 511, 560, 572, 593, 628, 644, 646, 662, 691

Offset: 1

Author

Vincenzo Librandi, Dec 28 2008

Keywords

• nonn
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Programs

Magma

[n: n in [1..700] |  IsPrime(n^8+(n+1)^8)]; // Vincenzo Librandi, Aug 31 2012

Mathematica

lst = {}; Do[ If[ PrimeQ[n^8 + (n + 1)^8], AppendTo[lst, n]], {n, 1000}]; lst (* Robert G. Wilson v, Feb 17 2009 *)
Flatten[Position[Partition[Range[700]^8,2,1],?(PrimeQ[Total[#]]&),{1}, Heads-> False]] (* _Harvey P. Dale, Jun 10 2014 *)

Extensions

Extended by Robert G. Wilson v, Feb 17 2009