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A076754 a(n) = nearest integer to the skewness of the divisors of n. 1

%I #8 Oct 09 2017 09:21:26

%S 0,0,0,0,1,0,1,1,1,0,1,0,1,1,1,0,1,0,1,1,1,0,1,1,1,1,1,0,1,0,1,1,1,1,

%T 2,0,1,1,1,0,1,0,1,1,1,0,2,1,1,1,1,0,1,1,1,1,1,0,2,0,1,1,1,1,1,0,1,1,

%U 2,0,2,0,1,1,1,1,1,0,2,1,1,0,2,1,1,1,1,0,2,1,1,1,1,1,2,0,1,1,2,0,1,0,1,2,1

%N a(n) = nearest integer to the skewness of the divisors of n.

%C Skewness is a measure of the asymmetry of the distribution of a data set of numbers and is defined as the third central moment divided by the cube of the standard deviation.

%H Hans Havermann, <a href="/A076754/b076754.txt">Table of n, a(n) for n = 2..10000</a>

%t Table[Round[Skewness[Divisors[n]]], {n, 2, 150}]

%K nonn

%O 2,35

%A _Joseph L. Pe_, Nov 12 2002

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Last modified May 7 21:53 EDT 2024. Contains 372317 sequences. (Running on oeis4.)