The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A013678 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A013678

Decimal expansion of zeta(20).
(history; published version)

#20 by Vaclav Kotesovec at Sat May 02 04:23:45 EDT 2020

STATUS

editing

approved

#19 by Vaclav Kotesovec at Sat May 02 04:23:42 EDT 2020

FORMULA

Equals zeta(20) = 174611 * Pi^20 / 1531329465290625. - Vaclav Kotesovec, May 15 2019

zeta(20) = Product_{k>=1} 1/(1 - 1/prime(k)^20). - Vaclav Kotesovec, May 02 2020

STATUS

approved

editing

#18 by Vaclav Kotesovec at Wed May 15 09:54:18 EDT 2019

STATUS

editing

approved

#17 by Vaclav Kotesovec at Wed May 15 09:54:13 EDT 2019

FORMULA

Equals 174611 * Pi^20 / 1531329465290625. - Vaclav Kotesovec, May 15 2019

EXAMPLE

1.00000095396203387279611315203868344934594379418741059575005648985113...

STATUS

approved

editing

#16 by N. J. A. Sloane at Tue May 08 15:11:54 EDT 2018

LINKS

M. Abramowitz and I. A. Stegun, eds., <a href="http://appswww.nrbookconvertit.com/abramowitz_and_stegunGo/ConvertIt/Reference/indexAMS55.htmlASP">Handbook of Mathematical Functions</a>, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].

Discussion

Tue May 08

15:11

OEIS Server: https://oeis.org/edit/global/2759

#15 by N. J. A. Sloane at Sun Dec 18 13:50:14 EST 2016

LINKS

M. Abramowitz and I. A. Stegun, eds., <a href="http://wwwapps.nrbook.com/abramowitz_and_stegun/index.html">Handbook of Mathematical Functions</a>, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].

Discussion

Sun Dec 18

13:50

OEIS Server: https://oeis.org/edit/global/2580

#14 by Harvey P. Dale at Sun Jun 21 07:21:02 EDT 2015

STATUS

editing

approved

#13 by Harvey P. Dale at Sun Jun 21 07:20:49 EDT 2015

MATHEMATICA

RealDigits[Zeta[20], 10, 120][[1]] (* Harvey P. Dale, Jun 21 2015 *)

STATUS

approved

editing

#12 by N. J. A. Sloane at Sat Mar 07 00:09:32 EST 2015

STATUS

proposed

approved

#11 by Jon E. Schoenfield at Fri Mar 06 21:04:53 EST 2015

STATUS

editing

proposed