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A027825 If there were a unimodular 25-dimensional lattice with minimal norm 3, it would have this as the theta series of its shadow. Unfortunately, no such lattice exists. +0
1
0, 200, 405000, 34009632, 828786600, 10057575600, 78117080400, 444684760200, 2013684539760, 7650742653000, 25296927545000, 74726358240600, 201078440944200 (list; graph; listen)
OFFSET

0,2

LINKS

E. M. Rains and N. J. A. Sloane, The Shadow Theory of Modular and Unimodular Lattices, J. Number Theory, 73 (1998), 359-389.

EXAMPLE

200*q^(9/4)+ 405000*q^(17/4)+ 34009632*q^(25/4)+...

CROSSREFS

Adjacent sequences: A027822 A027823 A027824 this_sequence A027826 A027827 A027828

Sequence in context: A035747 A022152 A035835 this_sequence A098963 A107843 A076192

KEYWORD

nonn

AUTHOR

njas, E. M. Rains

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.


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