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%I #4 Mar 30 2012 18:56:54
%S 1,1,2,1,1,2,3,1,2,1,3,4,2,1,1,1,3,2,4,5,1,1,3,2,1,1,4,1,5,6,2,3,1,1,
%T 1,1,4,1,3,1,5,1,6,7,3,1,4,1,1,1,2,5,1,2,4,6,1,7,8,1,2,1,5,1,1,4,2,6,
%U 2,1,2,7,3,8,9,5,1,2,3,1,1,2,1,6,1,1,3,5,7,1
%N a(n)=least m such that column m of T that contains n, array T given by A048201.
%K nonn
%O 1,3
%A _Clark Kimberling_