1207680domain: NAppears in sequencesTheta series of D_18 lattice.at n=3A022049Theta series of D*_18 lattice.at n=12A022071a(n) = (4/45)*n*(n - 2)*(n - 1)*(n^3 - 12*n^2 + 47*n - 15).at n=18A319577