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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A073574 Numbers n such that n^3 + 6 is prime. 1
1, 5, 7, 13, 17, 41, 73, 77, 101, 103, 133, 143, 145, 161, 173, 181, 187, 251, 271, 283, 293, 313, 325, 391, 395, 425, 461, 497, 503, 511, 523, 581, 593, 595, 647, 671, 703, 733, 745, 803, 805, 815, 833, 847, 853, 875, 941, 965, 973, 997, 1001, 1021, 1085, 1091, 1097, 1111, 1141, 1183 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

MATHEMATICA

Select[ Range[ 950 ], PrimeQ[ #^3+6 ] & ]

Select[Range[1, 1201, 2], PrimeQ[#^3+6]&] (* Because all terms must be odd, there is no need to test even numbers *) (* Harvey P. Dale, Oct 03 2018 *)

PROG

(MAGMA)[n: n in [0..1500]|IsPrime(n^3+6)]; // Vincenzo Librandi, Dec 16 2010

(PARI) is(n)=isprime(n^3+6) \\ Charles R Greathouse IV, Jun 12 2017

CROSSREFS

Cf. A067200 (n^3+2 is prime).

Sequence in context: A106069 A339691 A076294 * A092110 A171518 A336581

Adjacent sequences:  A073571 A073572 A073573 * A073575 A073576 A073577

KEYWORD

nonn,easy

AUTHOR

Zak Seidov, Sep 01 2002

EXTENSIONS

More terms from Vincenzo Librandi, Dec 16 2010

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 December 6 15:49 EST 2021. Contains 349564 sequences. (Running on oeis4.)