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 A102874 Primes of the form 3^k + 14. 2
 17, 23, 41, 257, 743, 19697, 59063, 847288609457, 57264168970223481226273458862846808078011946903, 16173092699229880893718618465586445357583280647840659957623 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The sequence of corresponding n starts 1, 2, 3, 5, 6, 9, 10, 25, 98, 122, 153, 190, 258, 511, 549, ... (complete up to 10^3). [Joerg Arndt, Jul 19 2012] LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..18 FORMULA a(n) = 3^A219035(n) + 14. - Elmo R. Oliveira, Nov 11 2023 MATHEMATICA Select[Table[3^n+14, {n, 0, 200}], PrimeQ] (* Vincenzo Librandi, Jul 19 2012 *) PROG (Magma) [ a: n in [0..200] | IsPrime(a) where a is 3^n+14 ]; // Vincenzo Librandi, Jul 19 2012 CROSSREFS Cf. A000040, A219035 (corresponding k's). Sequence in context: A256397 A139843 A151953 * A086532 A159044 A267984 Adjacent sequences: A102871 A102872 A102873 * A102875 A102876 A102877 KEYWORD nonn AUTHOR Roger L. Bagula, Mar 01 2005 EXTENSIONS Edited by N. J. A. Sloane at the suggestion of Andrew S. Plewe, May 16 2007 STATUS approved

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Last modified February 23 08:34 EST 2024. Contains 370272 sequences. (Running on oeis4.)