%I A084713
%S A084713 3,5,7,0,11,13,0,17,19,0,23,952809757913929,0,29,31,0,1091,37,0,41,43,
               0,47,
%T A084713 8852337162877223861085688086455591985225477900583052122621817804208289563579829730845819358279304641560486029\
               18053397761948271781610736426217362565287242033121579185919812362859356307201329
%N A084713 Smallest prime of the form (2n-1)^k + 2, or 0 if no such number exists.
%C A084713 a(3n+1) = 0, a(24) is a 189-digit number.
%e A084713 a(12) = 952809757913927 = 23^11 + 2.
%Y A084713 Cf. A084714.
%Y A084713 Sequence in context: A099744 A024601 A085090 this_sequence A162538 A084712 
               A031100
%Y A084713 Adjacent sequences: A084710 A084711 A084712 this_sequence A084714 A084715 
               A084716
%K A084713 nonn
%O A084713 1,1
%A A084713 Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jun 10 2003
%E A084713 Edited by Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 11, 2003