I forgot to retitle my last post.  This method is still quick
even when n is 1, but it's faster when n > 1.

[Just washed my hands, and can't type a thing with them]

Cheers.

-- 
Christopher Oliver                     Traverse Communications
Systems Coordinator                    223 Grandview Pkwy, Suite 108
oliver at traverse.com                    Traverse City, Michigan, 49684
   (define magic (lambda (f) (lambda (x) x)))
   (define (more-magic n) (lambda (f) (lambda (x) (f ((n f) x)))))