Search: id:A058912
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%I A058912
%S A058912 2,3,19,30,535,1551
%N A058912 Numbers n such that n^n + n - 1 is prime.
%C A058912 Except for the first term all terms are of the form 3k or 3k+1. There 
               is no further term up to 2300. - Farideh Firoozbakht (mymontain(AT)yahoo.com), 
               Oct 18 2006
%e A058912 a(2)=3 because 3^3+(3-1)=29
%t A058912 Do[ If[ PrimeQ[ n^n + n - 1], Print[n]], {n, 1, 750} ]
%Y A058912 Cf. (n^n+1+1) A058911.
%Y A058912 Cf. A058911.
%Y A058912 Sequence in context: A090476 A127941 A140555 this_sequence A040145 A142955 
               A088790
%Y A058912 Adjacent sequences: A058909 A058910 A058911 this_sequence A058913 A058914 
               A058915
%K A058912 nonn
%O A058912 1,1
%A A058912 Felice Russo (felice.russo(AT)katamail.com), Jan 10 2001
%E A058912 One more term from Farideh Firoozbakht (mymontain(AT)yahoo.com), Oct 
               18 2006

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