%I #30 Mar 03 2022 01:44:53
%S 2,5,503,8179,524269,2097131,36028797018963913,
%T 3705346855594118253554271520278013051304639509300498049262642688253220148477691
%N Primes of the form 2^k - k.
%C Primes in A000325.
%C The corresponding k are given in A048744.
%C Next term a(9) contains roughly 1000 digits and is too large to include. - _R. J. Mathar_, Jul 15 2007
%F a(n) = 2^A048744(n) - A048744(n). - _R. J. Mathar_, Jul 22 2009
%t Select[Table[2^n-n,{n,300}],PrimeQ] (* _Harvey P. Dale_, Nov 24 2018 *)
%o (PARI) { for(k=1,100000, if(isprime(2^k-k), print1(2^k-k,", ")));} \\ _R. J. Mathar_, Jul 15 2007
%Y Cf. A048744 (k such that 2^k - k is prime).
%K nonn
%O 1,1
%A _Reinhard Zumkeller_, Apr 20 2003
%E More terms from _R. J. Mathar_, Jul 15 2007
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