At 09:44 PM 6/9/2005, Jud McCranie wrote: >a(52) = 2 (the ratio is 17/15), but a(4)=1 and a(13)=1, so it is not >multiplicitive. > >The first few non-zero terms are #25, 52, 53, 54, 64, which are 7, 2, 3, >5, 4 (resp), Correction: terms that aren't 1.