A119540 Coefficients of Pi^(2*n+1) in a certain integer relation involving Ramanujan exponential-type sums.

720, 7056, 907200, 112907520, 217945728000, 5109989068800, 145508493312000, 1223606598230016000, 216153986111078400000, 45359209940997897584640000, 2540736205097615504179200000, 142333345151212060346941440000

Offset

3,1

Links

Table of n, a(n) for n=3..14.

Simon Plouffe, Identities inspired by Ramanujan Notebooks, Second Series (Aug 2006, rev. Mar 2011).

Linas Vepstas, On Plouffe's Ramanujan Identities (2006).

Eric Weisstein's World of Mathematics, Riemann Zeta Function

Wikipedia, Zeta Constants.

Crossrefs

Sequence in context: A179964 A153760 A029574 * A052784 A052786 A187192

Adjacent sequences: A119537 A119538 A119539 * A119541 A119542 A119543

Keyword

nonn

Author

Simon Plouffe, May 28, 2006

Status

approved