141726domain: NAppears in sequencesTheta series of D_23 lattice.at n=2A022054Theta series of D*_23 lattice.at n=16A022076Theta series of A_12 lattice.at n=4A023903Theta series of A*_12 lattice.at n=52A023924a(n) = (2/3)*n*(n^3 - 6*n^2 + 11*n - 3).at n=23A319575