-2350domain: ZAppears in sequencesExpansion of Product_{m>=1} (1-m*q^m)^30.at n=3A022690Expansion of Product_{k>0} ((1-x^{5k-2}) * (1-x^{5k-3})/((1-x^{5k-1}) * (1-x^{5k-4})))^2 in powers of x.at n=53A285442