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 A247958 Numbers n such that 35^n + 2 is prime. 2
 0, 1, 15, 83, 1457, 3959, 5351, 5355, 41359, 50327, 54435 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS After 0, all terms are odd. - Bruno Berselli, Oct 01 2014 a(12) > 2*10^5. - Robert Price, Mar 21 2015 LINKS Henri & Renaud Lifchitz, PRP Top Records, Search for 35^n+2. MAPLE A247958:=n->`if`(isprime(35^n+2), n, NULL): seq(A247958(n), n=0..1000); # Wesley Ivan Hurt, Sep 30 2014 MATHEMATICA Select[Range[0, 10000], PrimeQ[35^# + 2] &] PROG (MAGMA) [n: n in [0..1000]| IsPrime(35^n+2)]; (PARI) is(n)=ispseudoprime(35^n+2) \\ Charles R Greathouse IV, Jun 13 2017 CROSSREFS Cf. similar sequences listed in A247957. Sequence in context: A279395 A270768 A252935 * A108674 A050405 A241220 Adjacent sequences:  A247955 A247956 A247957 * A247959 A247960 A247961 KEYWORD nonn,more AUTHOR Vincenzo Librandi, Sep 28 2014 EXTENSIONS a(9)-a(11) from Robert Price, Mar 21 2015 STATUS approved

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Last modified January 19 17:45 EST 2019. Contains 319309 sequences. (Running on oeis4.)