The first 10 terms of the sequence of dimensions of the space of homog. polynomials of degree d annihilated by the differential \ operators 2 2 2 3 3 3 D1 + D2 + D3 , and , D1 + D2 + D3 where D1, D2, D3 are differentiations w.r.t. to x,y,z resp., are: [1, 3, 5, 6, 6, 6, 6, 6, 6, 6, 6] This took , 0.128, seconds