Suggest re-title as: "Number of partitions of n such that smallest summand divides every summand." GF and code: ? N=22; x='x+O('x^N); Vec(1+sum(n=1,N,x^(n)/eta(x^n))) [1, 1, 2, 3, 5, 6, 11, 12, 20, 25, 37, 43, 70, 78, 114, 143, 196, 232, 330, 386, 530, 641] correct?