|
Search: id:A102649
|
|
|
| A102649 |
|
Numbers n such that 11*n^2 + 11*n + 3 is prime. |
|
+0
1
|
|
| 0, 4, 7, 10, 22, 34, 40, 49, 52, 64, 67, 70, 82, 100, 109, 115, 124, 127, 139, 169, 172, 175, 184, 187, 202, 214, 217, 235, 244, 265, 277, 280, 289, 292, 295, 307, 310, 325, 349, 367, 424, 454, 460, 484, 487, 490, 505, 517, 529, 535, 547, 559, 565, 589, 604
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
COMMENT
|
Except for 0, all a(n)==1 (mod 3). - Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 12 2005
|
|
EXAMPLE
|
If n=0, then 11*(0^2) + 11*0 + 3 = 3 (prime)
If n=64, then 11*(64^2) + 11*64 + 3 = 45763 (prime)
If n=169, then 11*(169^2) + 11*169 + 3 = 316033 (prime)
|
|
CROSSREFS
|
Adjacent sequences: A102646 A102647 A102648 this_sequence A102650 A102651 A102652
Sequence in context: A027752 A111981 A080922 this_sequence A084386 A024726 A024948
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Feb 03 2005
|
|
EXTENSIONS
|
More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 12 2005
|
|
|
Search completed in 0.002 seconds
|
