459012domain: NAppears in sequencesNumbers k that divide the number of partitions of k into distinct parts (A000009).at n=30A056848Expansion of g.f.: (1+x^2)*(1+2*x^2)*(1+3*x^2)/(1-4*x+6*x^2-18*x^3 +11*x^4-22*x^5+6*x^6-6*x^7).at n=10A123893