A004268 - OEIS

%I #13 Sep 08 2022 08:44:32

%S 0,10000,15849,20000,23219,25849,28073,30000,31699,33219,34594,35849,

%T 37004,38073,39068,40000,40874,41699,42479,43219,43923,44594,45235,

%U 45849,46438,47004,47548,48073

%N a(n) = floor(10000*log_2(n)).

%H Marius A. Burtea, <a href="/A004268/b004268.txt">Table of n, a(n) for n = 1..1000</a>

%t Floor[10000*Log[2,Range[50]]] (* _Harvey P. Dale_, May 07 2013 *)

%o (Magma) [Floor(10000*Log(2,n)):n in [1..30]]; // _Marius A. Burtea_, Aug 02 2019

%K nonn

%O 1,2

%A _N. J. A. Sloane_