%I A085873
%S A085873 2,5,31,373,22381,134287,3760037,481284737,25989375799,6237450191761,
%T A085873 411671712656227,64220787174371413,73468580527480896473,
%U A085873 1028560127384732550623,185140822929251859112141
%N A085873 a(1) = 2; a(n)= smallest prime of the form k*a(n-1) + 1 where k itself 
               is a multiple of n.
%e A085873 a(2)= 5 = 2*2 + 1, a(3) = 6*5 + 1, a(4) = 12*31 + 1; 2,6 and 12 are respectively 
               multiples of 2, 3 and 4.
%Y A085873 Sequence in context: A097396 A056788 A091859 this_sequence A051048 A163852 
               A051399
%Y A085873 Adjacent sequences: A085870 A085871 A085872 this_sequence A085874 A085875 
               A085876
%K A085873 nonn
%O A085873 1,1
%A A085873 Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 07 2003
%E A085873 More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Jul 08 
               2003
%E A085873 Corrected by T. D. Noe (noe(AT)sspectra.com), Nov 15 2006