Re: Solution Re: [math-fun] 1,2,3,5,18 puzzle

--- Daniel Asimov <dasimov@earthlink.net> wrote:

(My own preference is to let f(N) = (3N+1)/(the largest power of 2 that divides 3N+1). which means the domain and range may be considered to be the odd integers.)

--Dan

Expressed this way, it looks like it could be easily implemented in hardware. Add n to its left-shift, add 1, then right shift the zeroes off the end. Has anyone done this? Gene __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com