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 A125884 Numbers n for which n^6+n^5-1 is prime. 5
 3, 4, 5, 8, 9, 16, 18, 30, 34, 36, 41, 48, 49, 51, 54, 61, 65, 69, 76, 81, 86, 89, 90, 95, 101, 109, 120, 141, 170, 171, 178, 196, 221, 235, 238, 244, 260, 263, 273, 280, 291, 301, 303, 310, 311, 326, 350, 361, 375, 391, 398, 404, 405, 406, 423, 429, 431, 454, 456, 464, 479, 484, 485, 486, 489, 499 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Robert Israel, Table of n, a(n) for n = 1..10000 MAPLE select(t -> isprime(t^6+t^5-1), [\$1..1000]); # Robert Israel, Jan 08 2017 MATHEMATICA Do[If[PrimeQ[x^6 + x^5 - 1], Print[x]], {x, 1, 200}] PROG (PARI) is(n)=isprime(n^6+n^5-1) \\ Charles R Greathouse IV, May 15 2013 CROSSREFS Cf. A000040, A045546, A125881-A125885. Sequence in context: A329856 A327984 A066906 * A346456 A001602 A308197 Adjacent sequences:  A125881 A125882 A125883 * A125885 A125886 A125887 KEYWORD nonn AUTHOR Artur Jasinski, Dec 14 2006 EXTENSIONS More terms from Robert Israel, Jan 08 2017 STATUS approved

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Last modified September 16 08:18 EDT 2021. Contains 347469 sequences. (Running on oeis4.)