On Wed, Nov 7, 2012 at 11:40 AM, Harvey P. Dale <hpd at hpdale.org> wrote: > The Extensions field to this sequence reads "a(48)-a(49) from Donovan Johnson, Sep 14 2010" but the sequence only shows 18 terms in total. that's not a contradiction, a(n) for n=32..49 makes up 18 terms. Maximilian