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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
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
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.)