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 A252244 Decimal expansion of zeta''(1/2) (negated). 2
 1, 6, 0, 0, 8, 3, 5, 7, 0, 1, 3, 9, 2, 8, 6, 6, 1, 4, 2, 2, 6, 9, 1, 3, 0, 6, 5, 0, 5, 9, 4, 4, 9, 6, 2, 7, 8, 5, 1, 8, 5, 5, 9, 3, 6, 1, 9, 6, 3, 6, 3, 5, 4, 5, 3, 5, 3, 0, 9, 2, 9, 5, 7, 5, 3, 6, 6, 7, 8, 0, 9, 2, 4, 6, 0, 1, 4, 4, 9, 8, 0, 1, 3, 3, 8, 0, 6, 8, 0, 6, 2, 7, 6, 3, 5, 6, 3, 8, 8, 5, 5, 4, 8, 4, 9 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 2,2 LINKS Table of n, a(n) for n=2..106. MathOverflow, Zeta(3) in terms of derivatives of zeta at 1/2 and pi Eric Weisstein's MathWorld, Riemann Zeta Function Index entries for constants related to zeta FORMULA zeta(3) = (1/7)*(-Pi^3/4 + (2*zeta'(1/2)^3 - 3*zeta(1/2)*zeta'(1/2)*zeta''(1/2) + zeta(1/2)^2*zeta'''(1/2))/zeta(1/2)^3). EXAMPLE -16.0083570139286614226913065059449627851855936196363545353... MAPLE Zeta(2, 1/2) ; evalf(%) ; MATHEMATICA RealDigits[Zeta''[1/2], 10, 105] // First CROSSREFS Cf. A002117, A059750, A114875, A252245. Sequence in context: A113555 A066604 A081550 * A019929 A368206 A021866 Adjacent sequences: A252241 A252242 A252243 * A252245 A252246 A252247 KEYWORD nonn,cons,easy AUTHOR Jean-François Alcover, Dec 16 2014 STATUS approved

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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)