login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A162862 Numbers n such that n^10+n^9+n^8+n^7+n^6+n^5+n^4+n^3+n^2+n+1 is prime. 31
1, 5, 17, 20, 21, 30, 53, 60, 86, 137, 172, 195, 212, 224, 229, 258, 268, 272, 319, 339, 355, 365, 366, 389, 390, 398, 414, 467, 480, 504, 534, 539, 543, 567, 592, 619, 626, 654, 709, 735, 756, 766, 770, 778, 787, 806, 812, 874, 943, 973, 1003, 1036, 1040 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The associated primes are in A162861.

LINKS

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000

FORMULA

A000040 INTERSECT A060885.

MATHEMATICA

Select[Range[100], PrimeQ[1 + Sum[#^i, {i, 10}]] &] (* Alonso del Arte, Apr 11 2014 *)

PROG

(PARI) is(n)=isprime(polcyclo(11, n)) \\ Charles R Greathouse IV, Sep 14 2015

CROSSREFS

Cf. A060885, A162861.

Sequence in context: A255901 A098333 A252232 * A043338 A023711 A045119

Adjacent sequences:  A162859 A162860 A162861 * A162863 A162864 A162865

KEYWORD

nonn,less

AUTHOR

Vladimir Joseph Stephan Orlovsky, Jul 14 2009

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified March 27 13:47 EDT 2017. Contains 284176 sequences.