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(MAGMAMagma) [a: n in [0..100] | IsPrime(a) where a is n^2+9*n+241]; // Vincenzo Librandi, Jul 14 2012
editing
approved
Primes of the form n^2+9n+241.
Select[Table[n^2+9n+241, {n, 0, 7000}], PrimeQ] (* Vincenzo Librandi, Jul 14 2012 *)
approved
editing
proposed
approved
editing
proposed
Vincenzo Librandi, <a href="/A153423/b153423.txt">Table of n, a(n) for n = 1..1000</a>
Select[Table[n^2+9n+241, {n, 0, 7000}], PrimeQ] (* Vincenzo Librandi, Jul 14 2012 *)
(MAGMA) [a: n in [0..100] | IsPrime(a) where a is n^2+9*n+241]; // Vincenzo Librandi, Jul 14 2012
nonn,easy
approved
editing
_Vincenzo Librandi (vincenzo.librandi(AT)tin.it), _, Dec 26 2008
Primes of the form n^2+9n+241
241, 251, 263, 277, 293, 311, 331, 353, 431, 461, 563, 601, 641, 683, 727, 773, 821, 977, 1033, 1091, 1151, 1213, 1277, 1481, 1553, 1627, 1861, 2027, 2113, 2383, 2477, 2671, 3083, 3191, 3301, 3413, 3527, 3643, 3761, 3881, 4003, 4127, 4253, 4643, 5051
1,1
nonn,new
Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Dec 26 2008
approved