|
| |
|
|
A124200
|
|
Numbers n such that 1 + n + n^3 + n^5 + n^7 + n^9 + n^11 + n^13 + n^15 + n^17 + n^19 + n^21 + n^23 + n^25 + n^27 + n^29 + n^31 + n^33 + n^35 + n^37 + n^39 + n^41 + n^43 is prime.
|
|
3
| |
|
|
1, 7, 10, 171, 304, 322, 357, 385, 418, 436, 448, 592, 606, 628, 642, 858, 1065, 1186, 1438, 1543, 1639, 1843, 1848, 1879, 1899, 2110, 2241, 2517, 2544, 2578, 2668, 3195, 3207, 3306, 3307, 3657, 4137, 4177, 4329, 4617, 4837, 4945, 4956, 5026, 5281, 5509
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,2
|
|
|
MATHEMATICA
| Do[If[PrimeQ[1+n+n^3+n^5+n^7+n^9+n^11+n^13+n^15+n^17+n^19+n^21+n^23+n^25+ n^27+n^29+n^31+n^33+n^35+n^37+n^39+n^41+n^43], Print[n]], {n, 1, 2400}]
|
|
|
PROG
| (MAGMA) [n: n in [0..6000] | IsPrime(1 + n + n^3 + n^5 + n^7 + n^9 + n^11 + n^13 + n^15 + n^17 + n^19 + n^21 + n^23 + n^25 + n^27 +n^29 + n^31 + n^33 + n^35 + n^37 + n^39 + n^41 + n^43)][From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 12 2010]
|
|
|
CROSSREFS
| Cf. A049407.
Sequence in context: A136865 A123797 A123805 * A133346 A091920 A036934
Adjacent sequences: A124197 A124198 A124199 * A124201 A124202 A124203
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Dec 13 2006
|
| |
|
|
