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%I #6 Dec 05 2013 19:56:35
%S 2,23,307,4201,52201,600043,7200007,84000023,966000047,10801200043,
%T 110726400047,1210566000001,13200320400023,286880405400023,
%U 3081650404200307,48022810241400301,1360528840804200383
%N Define f(k) = Floor[k/10]. Smallest prime p such that f(f(f(...r times, (p))))) is a multiple of r+1 for r = 0 to n-1.
%e a(4) = 4201, 1 divides 4201, 2 divides 420, 3 divides 42, 4 divides 4.
%K base,nonn
%O 1,1
%A _Amarnath Murthy_, Oct 27 2003
%E More terms from _David Wasserman_, Aug 16 2005