1,1
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
Eric Weisstein's World of Mathematics, Riemann-Siegel Functions
Also the first positive solution to zeta(1/2+i*t)*zeta'(1/2-i*t) + zeta(1/2-i*t)*zeta'(1/2+i*t) = 0. - Jean-François Alcover, Mar 10 2014
6.28983598...
t0 = t /. FindRoot[ RiemannSiegelTheta'[t] == 0, {t, 6}, WorkingPrecision -> 110]; RealDigits[t0, 10, 102] // First (* Jean-François Alcover, Feb 08 2013 *)
Cf. A114865.
Sequence in context: A085589 A259931 A021163 * A248270 A201324 A107826
Adjacent sequences: A114863 A114864 A114865 * A114867 A114868 A114869
nonn,cons
Eric W. Weisstein, Jan 02 2006
Digits from a(94) on corrected by Jean-François Alcover, Feb 08 2013
approved