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 A057735 Primes of the form 3^n + 2. 23
 3, 5, 11, 29, 83, 6563, 59051, 4782971, 14348909, 282429536483, 2541865828331, 150094635296999123, 1144561273430837494885949696429, 57264168970223481226273458862846808078011946891, 30432527221704537086371993251530170531786747066637051 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..29 MATHEMATICA Select[Table[3^n+2, {n, 0, 200}], PrimeQ] (* Vincenzo Librandi, Dec 08 2011 *) PROG (MAGMA) [a: n in [0..200] | IsPrime(a) where a is  3^n+2]; // Vincenzo Librandi, Dec 08 2011 (PARI) select(ispseudoprime, vector(100, n, 3^n+2)) \\ Charles R Greathouse IV, Apr 29 2015 CROSSREFS Cf. A051783. Sequence in context: A194563 A080443 A168607 * A095302 A000101 A253899 Adjacent sequences:  A057732 A057733 A057734 * A057736 A057737 A057738 KEYWORD nonn AUTHOR G. L. Honaker, Jr., Oct 29 2000 STATUS approved

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Last modified February 18 21:20 EST 2020. Contains 332028 sequences. (Running on oeis4.)