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%I #6 Aug 25 2014 12:26:35
%S 6,55,111,334,335,671,1343,16117,16118,64473,64474,257897,2063177,
%T 8252709,41263546,123790639,371371918,1485487673,2970975347,
%U 59419506941,356517041647,5704272666353,11408545332707,262396542652262
%N a(1) = 6, a(n) = smallest number of the form k*a(n-1) +1 with the same prime signature p*q ( 6 = 2*3), where p and q are primes.
%Y A061092 gives the sequence with a(1) = 2 i.e. terms of the form k*a(n-1)+1 which are primes.( prime signature p^1)
%Y Cf. A061092, A085065.
%K nonn
%O 1,1
%A _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Jun 29 2003
%E Corrected and extended by _David Wasserman_, Jan 11 2005