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A028886
Primes of the form k^2 - 8.
4
17, 41, 73, 113, 281, 353, 433, 521, 617, 953, 1217, 1361, 2017, 2393, 2593, 2801, 4217, 4481, 6553, 7561, 8273, 8641, 10193, 10601, 13217, 13681, 14153, 14633, 15121, 16633, 17681, 18217, 20441, 21017, 21601, 22193, 25913, 26561, 29921
OFFSET
1,1
COMMENTS
Primes of A028884. Also subsequence of A038873. - Klaus Purath, Jan 28 2020
MATHEMATICA
Select[Range[3, 1000]^2-8, PrimeQ] (* Vincenzo Librandi, Dec 01 2011 *)
PROG
(Magma) [a: n in [3..300] | IsPrime(a) where a is n^2-8]; // Vincenzo Librandi, Dec 01 2011
CROSSREFS
Sequence in context: A138005 A267421 A166147 * A146443 A110226 A054819
KEYWORD
nonn,easy
STATUS
approved