-291072domain: ZAppears in sequencesMcKay-Thompson series of class 8D for the Monster group.at n=53A112143McKay-Thompson series of class 16c for the Monster group.at n=53A1121521/product(1 - a(n)*(x^n)/n!, n=1..infinity) = 1 + sum((x^k)/k, k=1..infinity) = 1 - log(1-x).at n=9A157164