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%I #16 Jan 17 2018 22:45:04
%S 5,162287,13055867207,1719070799748422589190392551,
%T 174588755932389037098918153698589675008087,
%U 307180606913594390117978657628360735703373091543821695941623353827100004182413811352186951
%N Primes of the form 6^x-x^6.
%C The next term is too large to include.
%C See A117706 for the corresponding numbers x.
%C The next term has 113 digits. - _Harvey P. Dale_, Jan 17 2018
%t Select[Table[6^x-x^6,{x,200}],PrimeQ] (* _Harvey P. Dale_, Jan 17 2018 *)
%o (PARI) for(x=1,1e5,ispseudoprime(p=6^x-x^6)&&print1(p","))
%Y Cf. A024068, A123206, A163319.
%Y Cf. A072180, A109387, A117705, A117706, A128447, A128448, A128449, A128450, A128451, A122003, A128453, A128454.
%K nonn
%O 1,1
%A _M. F. Hasler_, Aug 20 2014