|
| |
|
|
A162295
|
|
Primes of the form k^3-k^2-k-1.
|
|
1
| |
|
|
43, 173, 439, 1571, 3823, 10141, 21139, 38113, 83203, 122449, 154493, 172423, 191689, 433123, 468389, 673639, 1318789, 1392271, 1628989, 2388013, 2608889, 3771923, 4225121, 4546573, 4713239, 4883929, 6609139, 6822709, 7959799
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
FORMULA
| a(n)=k^3-k^2-k-1 where k=A162294(n).
|
|
|
EXAMPLE
| a(1)=4^3-4^2-4-1=43. a(2)=6^3-6^2-6-1=173.
|
|
|
MATHEMATICA
| lst={}; Do[p=n^3-n^2-n-1; If[PrimeQ[p], AppendTo[lst, p]], {n, 2, 6!}]; lst
|
|
|
CROSSREFS
| Cf. A087908, A162291, A111501, A162293, A162294
Sequence in context: A083357 A158604 A057816 * A187722 A158628 A123597
Adjacent sequences: A162292 A162293 A162294 * A162296 A162297 A162298
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Vladimir Orlovsky (4vladimir(AT)gmail.com), Jun 30 2009
|
|
|
EXTENSIONS
| Edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 02 2009
|
| |
|
|
