Re: [math-fun] quintic question

Corey may well be right. I had merely been surprised by the absence of such symmetry through N = 32. David ----- Original Message ----- From: "Bill Gosper" <billgosper@gmail.com> To: math-fun@mailman.xmission.com Sent: Sunday, July 24, 2011 6:13:24 AM Subject: Re: [math-fun] quintic question PS, David remarked on the absence of nondihedral rotational symmetry in his solutions.  Corey remarks that he probably hasn't looked nearly far enough. For optimality in propeller type symmetry, you'd probably need >= 2 rings of disks with repeating size patterns abc and cba (or longer).