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Search: id:A063864
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| A063864 |
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Theta series of A15 packing with respect to point (0,1,2). |
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+0
2
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| 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
(list; graph; listen)
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OFFSET
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0,5
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COMMENT
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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).
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LINKS
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Center for Computational Materials Science, Naval Research Laboratory (mehl(AT)dave.nrl.navy.mil), The A15 Structure
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EXAMPLE
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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 + ...
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CROSSREFS
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Cf. A063863.
Sequence in context: A076719 A103009 A153662 this_sequence A119927 A096255 A011179
Adjacent sequences: A063861 A063862 A063863 this_sequence A063865 A063866 A063867
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Aug 27 2001
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