98535domain: NAppears in sequencesCoefficient of y^0 in G(x,y)^3 where G(x,y) = Sum_{n=-oo..+oo} (1-x^n)^n * x^n * y^n.at n=78A263188Number of series-reduced free pure symmetric identity multifunctions (with empty expressions allowed) with one atom and n positions.at n=18A317880