G.f.: cube root of theta series of E_6 lattice (cf. A004007).

A109143

G.f.: cube root of theta series of E_6 lattice (cf. A004007).

Terms

    a(0) =1a(1) =24a(2) =-486a(3) =18960a(4) =-866028a(5) =43409520a(6) =-2305522278a(7) =127386486480

External references