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A008530
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Coordination sequence for 4-dimensional primitive di-isohexagonal orthogonal lattice.
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1
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1, 12, 60, 180, 408, 780, 1332, 2100, 3120, 4428, 6060, 8052, 10440, 13260, 16548, 20340, 24672, 29580, 35100, 41268, 48120, 55692, 64020, 73140, 83088, 93900, 105612, 118260, 131880, 146508
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| Coordination sequence for 4-dimensional cyclotomic lattice Z[zeta_12].
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REFERENCES
| M. O'Keeffe, Coordination sequences for lattices, Zeit. f. Krist., 210 (1995), 905-908.
M. Beck and S. Hosten, Cyclotomic polytopes and growth series of cyclotomic lattices, arXiv math.CO/0508136.
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MAPLE
| [ seq( 6*k^3+6*k, k=0..40) ]; # (this is for n>0)
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CROSSREFS
| Sequence in context: A158443 A153792 A000141 * A033486 A112415 A174642
Adjacent sequences: A008527 A008528 A008529 * A008531 A008532 A008533
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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