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A145096
Primes of the form 4*k^2 - 38*k + 131.
2
131, 97, 71, 53, 43, 41, 47, 61, 83, 113, 151, 197, 251, 313, 383, 461, 547, 641, 743, 853, 971, 1097, 1231, 1373, 1523, 1847, 2203, 2393, 2591, 2797, 3011, 3463, 3701, 3947, 4201, 4463, 4733, 5011, 5297, 5591, 6203, 6521, 7523, 7873, 8231, 8597, 8971
OFFSET
1,1
LINKS
MAPLE
for k from 0 to 100 do if isprime(4*k^2 - 38*k + 131) then print(4*k^2 - 38*k + 131); fi; od; # Muniru A Asiru, Jan 23 2018
MATHEMATICA
Select[Table[4n^2-38n+131, {n, 0, 60}], PrimeQ] (* Harvey P. Dale, Jun 10 2013 *)
PROG
(Magma) [ a: n in [0..900] | IsPrime(a) where a is 4*n^2-38*n+131] // Vincenzo Librandi, Nov 25 2010
(GAP) o := [];; for k in [0..100] do if IsPrime(4*k^2 - 38*k + 131) then Add(o, 4*k^2 - 38*k + 131); fi; od; o; # Muniru A Asiru, Jan 23 2018
CROSSREFS
Sequence in context: A001331 A291620 A356374 * A210498 A050671 A095317
KEYWORD
nonn
AUTHOR
Bobby Kramer (panthar1(AT)gmail.com), Oct 01 2008, Oct 02 2008
EXTENSIONS
More terms from Vincenzo Librandi, Apr 28 2010
STATUS
approved