|
| |
|
|
A124209
|
|
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 + n^45 + n^47 + n^49 + n^51 + n^53 + n^55 + n^57 + n^59 + n^61 + n^63 is prime.
|
|
3
| |
|
|
5, 15, 140, 359, 615, 876, 941, 1109, 1230, 1292, 1302, 1325, 1752, 1799, 2064, 2535, 2645, 2690, 2942, 3042, 3138, 3200, 3449, 3473, 3527, 3560, 3713
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
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 + n^45 + n^47 + n^49 + n^51 + n^53 + n^55 + n^57 + n^59 + n^61 + n^63], Print[n]], {n, 1, 2400}]
|
|
|
CROSSREFS
| Cf. A049407.
Sequence in context: A050542 A091096 A116957 * A048347 A034980 A174850
Adjacent sequences: A124206 A124207 A124208 * A124210 A124211 A124212
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Dec 13 2006
|
| |
|
|
