A124047 - OEIS

A124047

Theta series of the lattice obtained from the group (C2 x PSL(3,4)).(C2 x S3) in dimension 20.

1, 0, 15120, 564480, 7578900, 56202720, 291101160, 1161412560, 3877313580, 11148525920, 28891559088

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OFFSET

0,3

LINKS

Table of n, a(n) for n=0..10.

G. Nebe and N. J. A. Sloane, Home page for this lattice

EXAMPLE

1 + 15120*q^4 + 564480*q^6 + 7578900*q^8 + 56202720*q^10 + 291101160*q^12 + 1161412560*q^14 + 3877313580*q^16 + 11148525920*q^18 + 28891559088*q^20 + O(q^21)

CROSSREFS

Sequence in context: A206410 A283527 A190294 * A113008 A004935 A004955

Adjacent sequences: A124044 A124045 A124046 * A124048 A124049 A124050

KEYWORD

nonn

AUTHOR

John Cannon, Dec 29 2006

STATUS

approved