A151985 Theta series of dual-extremal lattice of level 2 and dimension 20 (DualExtremal(20,2)a).

1, 0, 120, 15360, 67320, 1511424, 2607840, 31242240, 34565880, 299950080, 258557904, 1825551360, 1329059040, 8209797120, 5342308800, 29764233216, 17699303160, 91810160640, 51292022040, 249822489600, 131871366864

Offset

0,3

References

S. Boecherer and G. Nebe, On theta series attached to maximal lattices and their adjoints, Preprint 2009.

Links

Table of n, a(n) for n=0..20.

S. Boecherer and G. Nebe, Home page for this lattice

Example

1 + 120*q^4 + 15360*q^6 + 67320*q^8 + 1511424*q^10 + 2607840*q^12 + ...

Crossrefs

Sequence in context: A224023 A121012 A250511 * A229605 A268474 A363516

Adjacent sequences: A151982 A151983 A151984 * A151986 A151987 A151988

Keyword

nonn

Author

Gabi Nebe (nebe(AT)math.rwth-aachen.de), Sep 02 2009, Sep 03 2009

Status

approved