|
Search: id:A114271
|
|
|
| A114271 |
|
Numbers n such that n^2 + k is prime, k=8 case. |
|
+0
10
|
|
| 3, 9, 15, 21, 33, 51, 57, 81, 87, 111, 117, 123, 129, 135, 141, 147, 153, 177, 189, 213, 219, 255, 279, 285, 315, 321, 327, 345, 351, 363, 399, 417, 465, 471, 477, 483, 495, 549, 579, 585, 627, 657, 663, 669, 723, 735, 741, 747, 759, 771, 783, 789, 807, 825
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
Other cases: A005574 k=1, A067201 k=2, A049422 k=3, A007591 k=4, A078402 k=5, A114269 k=6, A114270 k=7, A114272 k=9, A114273 k=10, A114274 k=11, A114275 k=12.
|
|
MATHEMATICA
|
a={}; Do[p=n^2+8; If[PrimeQ[p], AppendTo[a, n]], {n, 0, 10^2}]; Print[a]; - Vladimir Orlovsky (4vladimir(AT)gmail.com), Apr 29 2008
|
|
CROSSREFS
|
Cf. A005574, A067201, A049422, A007591, A078402, A114269, A114270, A114272, A114273, A114274, A114275.
Adjacent sequences: A114268 A114269 A114270 this_sequence A114272 A114273 A114274
Sequence in context: A102954 A067201 A071526 this_sequence A137164 A108701 A064539
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Zak Seidov (zakseidov(AT)yahoo.com), Nov 19 2005
|
|
|
Search completed in 0.002 seconds
|
