User blog comment:Wythagoras/FGH comparisons/@comment-5029411-20130825123419

[0->{0}&11] has growth rate psi_I(0), but [[0->{0}&11]->{0}&11] has growth rate psi_I(0)2 and [[0->{0}&11]2->{0}&11] has growth rate epsilon_{psi_I(0)+1} and