Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A162862
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
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. +0
1
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; listen)
OFFSET

1,2

COMMENT

The associated primes are in A162861.

FORMULA

A000040 INTERSECT A060885.

MATHEMATICA

f[a_]:=a^0+a^1+a^2+a^3+a^4+a^5+a^6+a^7+a^8+a^9+a^10; lst={}; Do[If[PrimeQ[f[n]], AppendTo[lst, n]], {n, 6!}]; lst

CROSSREFS

Cf. A060885, A162861

Sequence in context: A019401 A153320 A098333 this_sequence A043338 A023711 A045119

Adjacent sequences: A162859 A162860 A162861 this_sequence A162863 A162864 A162865

KEYWORD

nonn

AUTHOR

Vladimir Orlovsky (4vladimir(AT)gmail.com), Jul 14 2009

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 7 23:50 EST 2009. Contains 170430 sequences.


AT&T Labs Research