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%I #8 Sep 08 2022 08:46:08
%S 47,59,107,4139,16427,65579,262187,16777259,302231454903657293676587,
%T 4835703278458516698824747,20769187434139310514121985316880427
%N Primes of the form 2^n + 43.
%C Associated n: 2, 4, 6, 12, 14, 16, 18, 24, 78, 82, 114, 234, 268, 286, ...
%H Vincenzo Librandi, <a href="/A243430/b243430.txt">Table of n, a(n) for n = 1..19</a>
%t Select[Table[2^n + 43, {n, 0, 500}], PrimeQ]
%o (Magma) [a: n in [0..500] | IsPrime(a) where a is 2^n+43];
%Y Cf. similar sequences listed in A243429.
%K nonn
%O 1,1
%A _Vincenzo Librandi_, Jun 05 2014
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