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%I #7 Mar 17 2015 23:15:47
%S 3,5,7,0,11,13,0,17,19,0,23,952809757913929,0,29,31,0,1091,37,0,41,43,
%T 0,47
%N Smallest prime of the form (2n-1)^k + 2, or 0 if no such number exists.
%C a(3n+1) = 0, a(24) = 47^113 - 2 is a 189-digit number.
%e a(12) = 952809757913927 = 23^11 + 2.
%Y Cf. A084714.
%K nonn
%O 1,1
%A _Amarnath Murthy_, Jun 10 2003
%E Edited by _Robert G. Wilson v_, Jun 11 2003
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