A014977 Expansion of Molien series for automorphism group (2.Weyl(E6)) of E6 lattice.

1, 1, 1, 2, 3, 4, 6, 8, 10, 14, 18, 22, 29, 36, 43, 54, 66, 78, 95, 113, 132, 157, 184, 212, 248, 287, 327, 377, 431, 487, 555, 628, 704, 794, 891, 992, 1110, 1236, 1367, 1518, 1680, 1848, 2039, 2243, 2455, 2694

Offset

0,4

References

J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 125.

Links

Table of n, a(n) for n=0..45.

Index entries for Molien series

Prog

(Magma) L := Lattice("E", 6); G1 := AutomorphismGroup(L); G2 := sub<GL(6, Rationals())|Generators(G1)>; MS<t> := MolienSeries(G2); MS;

Crossrefs

Even part of series in A008584.

Sequence in context: A028290 A003107 A217123 * A008583 A053253 A095913

Adjacent sequences: A014974 A014975 A014976 * A014978 A014979 A014980

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved