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A273810 Primes of the form 2^(2^n) + 597. 1

%I #8 Sep 08 2022 08:46:17

%S 599,601,613,853,18446744073709552213

%N Primes of the form 2^(2^n) + 597.

%C Terms given correspond to n = 0, 1, 2, 3, and 6.

%C Next term >= 2^2^23 + 597. - _Charles R Greathouse IV_, Jun 07 2016

%t Select[Table[2^(2^n) + 597, {n, 0, 15}], PrimeQ]

%o (Magma) [a: n in [0..16] | IsPrime(a) where a is 2^(2^n)+597];

%o (PARI) for(n=0,6, if(ispseudoprime(t=2^2^n+597), print1(t", "))) \\ _Charles R Greathouse IV_, Jun 07 2016

%Y Cf. similar sequences listed in A273547.

%K nonn

%O 1,1

%A _Vincenzo Librandi_, Jun 03 2016

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Last modified April 19 05:19 EDT 2024. Contains 371782 sequences. (Running on oeis4.)