default(parisize,"20M");
tauvec(N) = Vec(q*eta(q + O(q^N))^24);
N = 10^3; vector(N, n, ramanujantau(n)) == tauvec(N)
ramanujantau(10^6+3)
ramanujantau(-1)
ramanujantau(factor(-1))
ramanujantau(factor(0))
ramanujantau(factor(6))
