|
| |
|
|
A124181
|
|
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 is prime.
|
|
14
| |
|
|
1, 3, 69, 86, 104, 110, 138, 146, 210, 238, 247, 260, 264, 269, 316, 436, 572, 600, 621, 654, 666, 715, 737, 740, 744, 754, 779, 1056, 1156, 1159, 1216, 1218, 1221, 1343, 1419, 1434, 1442, 1524, 1580, 1603, 1676, 1680, 1731, 1742, 1804, 1952, 1956, 1985
(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], Print[n]], {n, 1, 1400}]
|
|
|
PROG
| (MAGMA) [n: n in [0..2000] | 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)] [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it)
|
|
|
CROSSREFS
| Cf. A049407.
Sequence in context: A091872 A079320 A073163 * A046432 A166835 A166806
Adjacent sequences: A124178 A124179 A124180 * A124182 A124183 A124184
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Dec 13 2006
|
| |
|
|
