%I #11 Feb 16 2025 08:33:01
%S 900,6993,921375,112920885,218158565625,5109979245525,145517374445625,
%T 1223606634625249875,216154810673098171875,45359209919865550963629375,
%U 2540736810856331395448765625,142333345152247545331370960625
%N Coefficients of Pi^(2*n+1) in a certain integer relation involving Ramanujan exponential-type sums.
%H Simon Plouffe, <a href="https://arxiv.org/abs/1101.6066">Identities inspired by Ramanujan Notebooks, Second Series</a> (Aug 2006, rev. Mar 2011).
%H Linas Vepstas, <a href="http://www.linas.org/math/plouffe-ram.pdf">On Plouffe's Ramanujan Identities</a> (2006).
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/RiemannZetaFunction.html">Riemann Zeta Function.</a>
%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Zeta_constants">Zeta Constants.</a>
%K nonn,changed
%O 3,1
%A _Simon Plouffe_, May 28 2006