login
A063863
Theta series of A15 packing with respect to origin.
1
1, 0, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 8, 12, 0, 0, 6, 0, 0, 0, 0, 24, 0, 0, 0, 0, 0, 0, 0, 36, 0, 0, 12, 0, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 24, 36, 0, 0, 8, 0, 0, 0, 0, 36, 0, 0, 0, 0, 0, 0, 0, 36, 0, 0, 6, 0, 0, 0, 0, 48, 0, 0, 0, 0, 0, 0, 24, 48, 0, 0, 24, 0, 0, 0, 0, 24, 0
OFFSET
0,6
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 + 12*q^5 + 8*q^12 + 12*q^13 + 6*q^16 + 24*q^21 + 36*q^29 + 12*q^32 + ...
CROSSREFS
Cf. A063864.
Sequence in context: A083344 A294889 A308425 * A236238 A340362 A187795
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 27 2001
STATUS
approved