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A029595
Theta series of quadratic form (or lattice) with Gram matrix [ 1, 0, 0; 0, 2, 1; 0, 1, 3 ].
1
1, 2, 2, 8, 10, 0, 4, 12, 10, 6, 2, 16, 16, 8, 4, 4, 26, 4, 10, 32, 0, 8, 12, 12, 20, 2, 4, 32, 36, 8, 0, 24, 26, 8, 12, 8, 30, 16, 4, 24, 10, 8, 8, 56, 32, 0, 20, 12, 32, 14, 2, 48, 40, 8, 16, 0, 20, 16, 20, 32, 12, 16, 8, 36, 58, 4, 8, 72, 20, 8, 0, 24, 50, 20, 12, 8, 64
OFFSET
0,2
COMMENTS
This is the digonal C lattice (the classical holotype) of dimension 3.
LINKS
G. Nebe and N. J. A. Sloane, Home page for this lattice
EXAMPLE
1 + 2*q + 2*q^2 + 8*q^3 + 10*q^4 + 4*q^6 + 12*q^7 + 10*q^8 + 6*q^9 + 2*q^10 + ...
CROSSREFS
Sequence in context: A137726 A121098 A121094 * A343447 A320138 A325102
KEYWORD
nonn
AUTHOR
STATUS
approved