Search: id:A084745
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%I A084745
%S A084745 2,2,3,23,5,47,7,79,997,5559917313492231463,11,167,13,223,4093,24137563,
%T A084745 17,359,19,439,10947877107572929152919737180202022857988400441953615831
%N A084745 Smallest prime of the form n^k - k, or 0 if no such prime exists.
%C A084745 a(11 > 379749833583227. Conjecture: No entry is zero.
%e A084745 a(7) = 47 = 7^2 -2.
%p A084745 a := proc(n) local k; k := 1; while not isprime(n^k-k) do k := k+1 od; 
               n^k-k end: seq(a(n),n=2..35);
%Y A084745 Cf. A084746.
%Y A084745 Sequence in context: A049132 A087768 A113604 this_sequence A036503 A109590 
               A074935
%Y A084745 Adjacent sequences: A084742 A084743 A084744 this_sequence A084746 A084747 
               A084748
%K A084745 nonn
%O A084745 2,1
%A A084745 Amarnath Murthy and Meenakshi Srikanth (amarnath_murthy(AT)yahoo.com), 
               Jun 15 2003
%E A084745 More terms from Alec Mihailovs (Alec(AT)Mihailovs.com), Jun 16 2003. 
               The next term is too large to include.

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