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%I A004233 #27 Jun 28 2024 05:26:40
%S A004233 0,1,2,2,2,2,2,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,
%T A004233 4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
%U A004233 5,5,5,5,5,5,5,5,5,5,5,5,5
%N A004233 a(n) = ceiling(log(n)).
%C A004233 Does not satisfy Benford's law [Whyman et al., 2016]. - _N. J. A. Sloane_, Feb 12 2017
%H A004233 T. D. Noe, <a href="/A004233/b004233.txt">Table of n, a(n) for n = 1..10000</a>
%H A004233 G. Whyman, N. Ohtori, E. Shulzinger, and Ed. Bormashenko, <a href="https://doi.org/10.1016/j.physa.2016.06.054">Revisiting the Benford law: When the Benford-like distribution of leading digits in sets of numerical data is expectable?</a>, Physica A: Statistical Mechanics and its Applications, 461 (2016), 595-601.
%H A004233 <a href="/index/Be#Benford">Index entries for sequences related to Benford's law</a>
%t A004233 Ceiling[Log[Range[100]]] (* _Paolo Xausa_, Jun 28 2024 *)
%o A004233 (Haskell)
%o A004233 a004233 = ceiling . log . fromIntegral  -- _Reinhard Zumkeller_, Mar 17 2015
%o A004233 (PARI) a(n)=ceil(log(n)) \\ _Charles R Greathouse IV_, Apr 29 2015
%Y A004233 Cf. A000193, A000195, A000523.
%K A004233 nonn
%O A004233 1,3
%A A004233 _N. J. A. Sloane_

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