164128domain: NAppears in sequencesG.f.: 1/(1-2*x-6*x^2+4*x^3).at n=10A124023Digital sum of the 2^n-th partition number.at n=30A129491Numbers n with property that for each single digit d of n, we can also see the decimal expansion of 2d as a substring of n.at n=9A135495