-8147domain: ZAppears in sequencesExpansion of Product_{k>0} (1+k^2*x^k)^(1/k).at n=18A303355Expansion of Product_{k>=1} (1 - x^k * (1 + k*x)).at n=33A336978Expansion of 1 / Sum_{k in Z} x^(2*k) / (1 - x^(5*k+2)).at n=47A375061