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A023930 Theta series of A*_18 lattice. 0
1, 0, 0, 0, 0, 0, 0, 0, 0, 38, 0, 0, 0, 0, 0, 0, 0, 342, 0, 342, 0, 0, 0, 0, 1938, 0, 0, 0, 5814, 0, 7752, 0, 0, 0, 0, 23256, 31046, 0, 23256, 54264, 0, 0, 100776, 116964, 151164, 184756, 0, 233244, 0, 331398, 0, 0, 0, 0, 736440, 825588, 0, 548454, 1325592, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,10
REFERENCES
J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 114.
LINKS
Kok Seng Chua, The Root Lattice A*n and Ramanujan's Circular Summation of Theta Functions, Proc. Amer. Math. Soc. 130 (2002), 1-8.
CROSSREFS
Sequence in context: A345467 A329226 A171407 * A022072 A351221 A154229
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Sean A. Irvine, Jul 15 2020
STATUS
approved

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Last modified June 14 03:16 EDT 2024. Contains 373392 sequences. (Running on oeis4.)