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A063864
Theta series of A15 packing with respect to point (0,1,2).
1
1, 0, 0, 0, 2, 4, 8, 0, 0, 0, 0, 0, 0, 4, 16, 0, 6, 0, 0, 0, 8, 8, 8, 0, 0, 0, 0, 0, 0, 12, 16, 0, 12, 0, 0, 0, 10, 4, 24, 0, 0, 0, 0, 0, 0, 12, 16, 0, 8, 0, 0, 0, 8, 12, 32, 0, 0, 0, 0, 0, 0, 12, 32, 0, 6, 0, 0, 0, 16, 16, 16, 0, 0, 0, 0, 0, 0, 16, 16, 0, 24, 0, 0, 0
OFFSET
0,5
COMMENTS
The A15 packing is the union of 8 translates of the lattice 4Z^3 by the vectors (0,0,0), (2,2,2) and all cyclic shifts of (0, +-1, 2).
LINKS
Center for Computational Materials Science, Naval Research Laboratory (mehl(AT)dave.nrl.navy.mil), The A15 Structure
EXAMPLE
1 + 2*q^4 + 4*q^5 + 8*q^6 + 4*q^13 + 16*q^14 + 6*q^16 + 8*q^20 + 8*q^21 + 8*q^22 + ...
CROSSREFS
Cf. A063863.
Sequence in context: A174393 A153662 A222011 * A186036 A186040 A119927
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 27 2001
STATUS
approved