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 A272074 Numbers k such that k^4 + 29*k^2 + 101 is prime. 30
 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 23, 26, 31, 32, 34, 35, 37, 43, 44, 45, 47, 49, 53, 56, 60, 61, 62, 66, 67, 68, 70, 71, 72, 74, 75, 79, 80, 81, 84, 85, 89, 90, 91, 93, 96, 99 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Robert Price, Table of n, a(n) for n = 1..2264 Eric Weisstein's World of Mathematics, Prime-Generating Polynomials EXAMPLE 4 is in this sequence since 4^4 + 29*4^2 + 101 = 256+464+101 = 821 is prime. Select[Range[0, 100], PrimeQ[#^4 + 29#^2 + 101] &] MATHEMATICA Select[Range[0, 100], PrimeQ[#^4+29#^2+101]&] (* Harvey P. Dale, Dec 15 2020 *) PROG (PARI) lista(nn) = for(n=0, nn, if(ispseudoprime(n^4+29*n^2+101), print1(n, ", "))); \\ Altug Alkan, Apr 19 2016 CROSSREFS Cf. A050265 - A050268, A005846, A007641, A007635, A048988, A256585. Cf. A271980, A272075. Sequence in context: A326880 A078453 A052425 * A246097 A275776 A022465 Adjacent sequences:  A272071 A272072 A272073 * A272075 A272076 A272077 KEYWORD nonn,less AUTHOR Robert Price, Apr 19 2016 STATUS approved

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Last modified April 14 22:39 EDT 2021. Contains 342962 sequences. (Running on oeis4.)