503502domain: NAppears in sequencesTheta series of D_31 lattice.at n=2A022062Theta series of D*_31 lattice.at n=16A022084Number of n X 4 0..1 arrays with rows and antidiagonals unimodal and columns nondecreasing.at n=33A224142a(n) = (2/3)*n*(n^3 - 6*n^2 + 11*n - 3).at n=31A319575