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%I #5 Mar 31 2012 14:40:14
%S 2,3,5,7,3,11,7,37,5,439,11,7013,379,27673,373,54973,977,548753,4229,
%T 7678313,10009,230339381,27763,5067438619,197297,273641488129,375209,
%U 14229357007499,5322971,369963276872003,60154183,64373610115574339
%N a(1) = 2, a(2) = 3; for n>2, a(n) = least prime such that a(n-2) is the largest prime factor of a(n)+a(n-1).
%H Peter Pein, <a href="/A126607/b126607.txt">Table of n, a(n) for n = 1..50</a>
%K nonn
%O 1,1
%A _Zak Seidov_, Jan 07 2007
%E More terms from Peter Pein, Jan 08 2007