%I

%S 0,7,11,14,16,18,19,21,22,23,24,25,26,26,27,28,28,29,29,30,30,31,31,

%T 32,32,33,33,33,34,34,34,35,35,35,36,36,36,36,37,37,37,37,38,38,38,38,

%U 39,39,39,39,39,40,40,40,40

%N 10*log(n) rounded to nearest integer.

%K nonn

%O 1,2

%A _N. J. A. Sloane_