login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A040994 Primes p such that x^6 = 3 has a solution mod p. 2
2, 3, 11, 23, 47, 59, 61, 71, 73, 83, 107, 131, 167, 179, 191, 193, 227, 239, 251, 263, 311, 347, 359, 383, 419, 431, 443, 467, 479, 491, 503, 563, 577, 587, 599, 613, 647, 659, 661, 683, 719, 743, 757, 827, 839 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Complement of A040995 relative to A000040. - Vincenzo Librandi, Sep 13 2012

LINKS

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

MATHEMATICA

ok[p_]:= Reduce[Mod[x^6- 3, p] == 0, x, Integers]=!=False; Select[Prime[Range[200]], ok] (* Vincenzo Librandi, Sep 13 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(1000) | exists(t){x : x in ResidueClassRing(p) | x^6 eq 3}]; // Vincenzo Librandi, Sep 13 2012

CROSSREFS

Cf. A000040, A040995.

Sequence in context: A082739 A158017 A091310 * A141123 A263729 A246496

Adjacent sequences:  A040991 A040992 A040993 * A040995 A040996 A040997

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 30 17:45 EDT 2020. Contains 334728 sequences. (Running on oeis4.)