A292003 Primes of the form Phi(k, -4), where Phi is the cyclotomic polynomial.
13, 17, 257, 241, 65537, 61681, 15790321, 4278255361, 4562284561, 291280009243618888211558641, 18446744069414584321, 78919881726271091143763623681, 84179842077657862011867889681, 20988936657440586486151264256610222593863921, 84159375948762099254554456081
Offset: 1
Keywords
Links
Crossrefs
Cf. A138926.
Programs
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Mathematica
Select[Table[Cyclotomic[k,-4], {k, 0, 100}], PrimeQ[#] &]