132578domain: NAppears in sequencesG.f.: A(x) = x/(1-x) o x/(1-x^2) o x/(1-x^4) o x/(1-x^8) o..., composition of functions x/(1 - x^{2^n}) for n=0,1,2,3,...at n=21A136752Total number of modes in all partitions of n.at n=46A372542