|
| |
|
|
A120344
|
|
Numbers n such that 23*n + 1 is a prime.
|
|
1
| |
|
|
2, 6, 12, 20, 26, 30, 36, 42, 44, 50, 56, 60, 62, 72, 84, 86, 102, 104, 110, 132, 134, 140, 144, 146, 162, 170, 174, 176, 194, 210, 212, 216, 222, 224, 240, 246, 254, 260, 264, 270, 272, 294, 302, 306, 312, 326, 330, 342, 366, 380, 390, 396, 404, 410, 420, 446
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
EXAMPLE
| If n=86 then 23*n + 1 = 1979 (prime).
|
|
|
MATHEMATICA
| Select[Range[1000], PrimeQ[23*# + 1] &] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jul 22 2006
|
|
|
PROG
| (MAGMA) [ n: n in [0..1500] | IsPrime(23*n + 1) ] [From Vincenzo Librandi, Jan 31 2011]
|
|
|
CROSSREFS
| Sequence in context: A141406 A045619 A028690 * A031426 A175967 A034100
Adjacent sequences: A120341 A120342 A120343 * A120345 A120346 A120347
|
|
|
KEYWORD
| nonn,less
|
|
|
AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jun 24 2006
|
|
|
EXTENSIONS
| More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jul 22 2006
|
| |
|
|
