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%I #19 Jul 12 2018 11:27:57
%S 0,726,1974,3336
%N Numbers k such that 10^k + k^10 + 1 is prime.
%C a(5) > 10^5. - _Robert Price_, Oct 06 2015
%t Select[Range[0, 5000], PrimeQ[10^# + #^10 + 1] &]
%o (PARI) is(n)=ispseudoprime(10^n+n^10+1) \\ _Charles R Greathouse IV_, Jun 13 2017
%Y Cf. A100357, A215434-A215446, A216375.
%K nonn,hard,more
%O 1,2
%A _Vincenzo Librandi_, Sep 11 2012
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