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A014977 Expansion of Molien series for automorphism group (2.Weyl(E6)) of E6 lattice. 1
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified May 7 18:13 EDT 2021. Contains 343652 sequences. (Running on oeis4.)