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%I #5 Dec 05 2013 19:55:32
%S 1,2,3,2,5,2,5,6,1,0,8,4,9,4,5,6,25,2,15,0,15,10,28,16,25,16,28,16,13,
%T 0,14,4,22,36,5,16,35,14,47,0,16,8,42,28,35,18,49,44,27,0,42,4,26,6,
%U 45,52,53,38,62,0,44,50,25,28,15,32,43,72,29,0,61,44,45,8,25,56,82,84,85,0
%N a(10k) = 0 and if n is not a multiple of 10 then a(n) is the smallest positive integer such that the concatenation of the first n terms is a multiple of n.
%C Note that the concatenation of the first 10k terms is not necessarily a multiple of 10k.
%Y Cf. A051883, A073894, A099552.
%K base,nonn,easy
%O 1,2
%A _Amarnath Murthy_, Aug 17 2002
%E Edited and extended by _David Wasserman_, Oct 21 2004
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