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a(n) = position of n in A026247.
0

%I #4 Mar 30 2012 18:56:05

%S 1,3,4,7,2,10,13,14,5,6,18,21,8,9,25,26,11,12,30,33,34,15,37,38,41,16,

%T 17,45,46,19,20,50,53,22,23,57,58,61,24,64,67,68,27,71,72,75,28,29,79,

%U 80,31,32,84,87,88,35,91,92,95,36,98,101,102

%N a(n) = position of n in A026247.

%K nonn

%O 1,2

%A _Clark Kimberling_