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a(n) = 10*log(n) rounded to the nearest integer.
0

%I #12 Oct 24 2023 23:15:26

%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 a(n) = 10*log(n) rounded to the nearest integer.

%K nonn

%O 1,2

%A _N. J. A. Sloane_