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Position of n in A026257.
0

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

%S 1,2,5,3,4,6,9,10,11,14,7,8,17,19,20,21,12,13,15,26,28,29,30,16,18,34,

%T 37,39,40,22,23,24,44,47,49,50,25,27,54,55,58,60,31,32,33,64,65,68,35,

%U 36,38,72,73,74,77,41,42,43,81,82,83,45,46

%N Position of n in A026257.

%K nonn

%O 1,2

%A _Clark Kimberling_