"christian.bau" wrote: > > On Apr 3, 6:27 pm, Frederick Williams <freddywilli...@btinternet.com> > wrote: > > > For even k the result was known to Bernoulli, for odd it is more recent. > > Any link for the odd case? I found it under "unsolved problems".
I wrote too soon.
-- When a true genius appears in the world, you may know him by this sign, that the dunces are all in confederacy against him. Jonathan Swift: Thoughts on Various Subjects, Moral and Diverting