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%I #20 Mar 24 2021 07:57:30
%S 2,0,7,8,8,6,2,2,4,9,7,7,3,5,4,5,6,6,0,1,7,3,0,6,7,2,5,3,9,7,0,4,9,3,
%T 0,2,2,2,6,2,6,8,5,3,1,2,8,7,6,7,2,5,3,7,6,1,0,1,1,3,5,5,7,1,0,6,1,4,
%U 7,2,9,1,9,3,2,2,9,2,3,4,0,4,8,7,5,4,3,2,6,6,9,4,0,7,3,3,2,1,5,6,4,3,1,0,9,9,7,5,6
%N Decimal expansion of -zeta(-1/2).
%C zeta(-1/2) = -zeta(3/2)/(4*Pi); zeta(3/2) being A078434.
%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Riemann_zeta_function">Riemann zeta function</a>
%e 0.207886224977354566017306725397049302226...
%t RealDigits[-Zeta[-1/2], 10, 100][[1]] (* _Amiram Eldar_, Mar 24 2021 *)
%o (PARI) -zeta(-1/2) \\ _Charles R Greathouse IV_, May 18 2012
%Y Cf. A059750, A078434.
%K nonn,cons,easy
%O 0,1
%A _Stanislav Sykora_, May 17 2012
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