> > This is an example of Inverse Gray iterator (Sloane series > A006068) Python2 code from: > http://code.activestate.com/recipes/221457/ > > def A006068(): > yield 0 > for x in A006068(): > if x & 1: > yield 2 * x + 1 > yield 2 * x > else: > if x: > yield 2 * x > yield 2 * x + 1 > Does this spawn linear many generators?