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A076754
a(n) = nearest integer to the skewness of the divisors of n.
1
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, 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, 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
OFFSET
2,35
COMMENTS
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.
LINKS
MATHEMATICA
Table[Round[Skewness[Divisors[n]]], {n, 2, 150}]
CROSSREFS
Sequence in context: A090418 A363877 A322452 * A346482 A364043 A339933
KEYWORD
nonn
AUTHOR
Joseph L. Pe, Nov 12 2002
STATUS
approved