A366997 Numbers k such that 3^k*k^3 + 2 is a prime.
0, 1, 9, 13, 27, 45, 169, 285, 307, 891, 4545, 9173, 20803
Offset: 1
Crossrefs
Cf. A366956.
Programs
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Magma
[k: k in [1..310] | IsPrime(3^k*k^3+2)];
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Mathematica
Select[Range[0, 5000], PrimeQ[3^#*#^3 + 2] &] (* Amiram Eldar, Nov 02 2023 *)
Extensions
a(12)-a(13) from Michael S. Branicky, Oct 31 2023
Comments