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%I #12 Oct 24 2023 23:16:09
%S 0,30,47,60,69,77,84,90,95,100,104,107,111,114,117,120,123,125,127,
%T 130,132,134,136,138,139,141,143,144,146,147,149,150,151,153,154,155,
%U 156,157,159,160,161,162,163,164
%N a(n) = 100*log_10(n) rounded down.
%H Harvey P. Dale, <a href="/A004222/b004222.txt">Table of n, a(n) for n = 1..1000</a>
%F a(n) = floor(100*log_10(n)). - _Wesley Ivan Hurt_, Mar 15 2023
%t Floor[100*Log[10,Range[50]]] (* _Harvey P. Dale_, May 12 2012 *)
%K nonn
%O 1,2
%A _N. J. A. Sloane_
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