%I #7 Jun 01 2019 13:30:52
%S 11,31,71,151,311,631,2551,655351,2621431,10485751,5497558138871,
%T 10995116277751,175921860444151,737869762948382064631,
%U 396140812571321687967719751671
%N Primes in A139634.
%t Select[10*2^Range[0,100]-9,PrimeQ] (* _Harvey P. Dale_, Jun 01 2019 *)
%Y Cf. A139634
%K nonn
%O 1,1
%A _Vincenzo Librandi_, Mar 05 2010
%E Edited by _Jon E. Schoenfield_, Jun 23 2010
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