|
| |
|
|
A154510
|
|
Primes of the form 648*n^2+72*n+1
|
|
2
| |
|
|
10657, 16561, 23761, 32257, 65521, 79201, 287281, 374977, 474337, 510049, 624961, 665857, 708049, 988417, 1039681, 1092241, 1146097, 1315441, 1374481, 1755937, 1893457, 2036161, 2259937, 2913697, 3090097, 3553777, 4470049, 5255281
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
LINKS
| Vincenzo Librandi and T. D. Noe, Table of n, a(n) for n = 1..1000
|
|
|
EXAMPLE
| For n=4, a(1)=10657; n=10, a(5)=65521
|
|
|
MATHEMATICA
| lst={}; Do[p=648*n^2+72*n+1; If[PrimeQ[p], AppendTo[lst, p]], {n, 0, 5*5!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 27 2009]
Select[Table[648n^2+72n+1, {n, 100}], PrimeQ] (* From Harvey P. Dale, Jul 27 2011 *)
|
|
|
PROG
| (MAGMA) [ a: n in [0..350] | IsPrime(a) where a is 648*n^2+72*n+1]
|
|
|
CROSSREFS
| Cf. A154511
Sequence in context: A013817 A013904 A138254 * A157326 A006006 A151411
Adjacent sequences: A154507 A154508 A154509 * A154511 A154512 A154513
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 11 2009
|
| |
|
|
