On 4/21/10, Bill Gosper <billgosper@gmail.com <http://gosper.org/webmail/src/compose.php?send_to=billgosper%40gmail.com>> wrote:

While flagitating some kids with my usual sutra of always replacing Bernoulli numbers with Bernoulli polynomials in some new variable, ...

Don't people get locked up for that sort of thing these days? (Or is that only in Switzerland ...)

Putting y=0 and y=1 in the first one must be equal, giving the cot halfangle formula. --rwg

Maybe should have read "y=0 and y=pi" ? Nope. All the Bernpolys save B_1 are equal at y=0 and 1. Ah, you've been had by Macsyma's egregious argument order! Sorry about that. --rwg