Dear Steven,
Eratosthenes may not be presenting hogwash.
{1+2+3+4+... to infinity} = -1/12
http://www.smithsonianmag.com/smart-...949559/?no-ist
Phil Plait does a good rendition of the series according to Ramanujan. He also offers an apology to the conventional mathematicians among us, who take umbrage at the novel use of = .
Would you care to comment ?
Regards,
Tony Barry