harmonic number

(thing) by dido Wed Jan 02 2002 at 5:05:51

A partial sum of the harmonic series, i.e.:

     n   1
H  = ∑   -
 n   k=1 k

These numbers can also be expressed as:

H  = γ + ψ (n+1)
 n        0
where γ is the Euler-Mascheroni constant and ψ0(x) is the digamma function.

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