A173973 - OEIS

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A173973

Decimal expansion of Zeta[2,1/3] - 2*Pi^2/3.

3, 5, 1, 5, 8, 6, 0, 8, 5, 8, 0, 3, 4, 1, 8, 8, 3, 3, 5, 9, 0, 2, 3, 4, 3, 4, 3, 3, 3, 0, 8, 4, 1, 5, 6, 0, 3, 6, 4, 3, 1, 0, 4, 5, 1, 4, 4, 5, 3, 7, 8, 4, 3, 9, 0, 9, 9, 9, 4, 5, 0, 2, 8, 3, 3, 5, 0, 9, 9, 1, 4, 3, 0, 9, 3, 2, 2, 8, 1, 9, 8, 1, 4, 1, 7, 9, 1, 3, 0, 6, 8, 7, 4, 4, 9, 4, 4, 3, 7, 4, 5, 9, 4, 6, 9

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OFFSET

1,1

COMMENTS

Zeta[s,a] is Mathematica's notation for the shifted Zeta-function Sum_{n>=1} 1/(n-a)^s. - R. J. Mathar, Jun 17 2016

LINKS

Table of n, a(n) for n=1..105.

FORMULA

Equals Zeta[2,1/3] - 2(Pi^2)/3 = 2(Pi^2)/3 - Zeta[2,2/3].

EXAMPLE

3.5158608...

MAPLE

Zeta(0, 2, 1/3)-2*Pi^2/3 ; evalf(%) ; # R. J. Mathar, Jun 17 2016

MATHEMATICA

RealDigits[N[(Zeta[2, 1/3] - Zeta[2, 2/3])/2, 300]]

PROG

(PARI) zetahurwitz(2, 1/3)-2*Pi^2/3 \\ Charles R Greathouse IV, Jan 31 2018

CROSSREFS

Sequence in context: A155526 A076553 A199616 * A344076 A333336 A061649

Adjacent sequences: A173970 A173971 A173972 * A173974 A173975 A173976

KEYWORD

nonn,cons

AUTHOR

Artur Jasinski, Mar 03 2010

EXTENSIONS

Definition revised by N. J. A. Sloane, Aug 30 2011

STATUS

approved