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Search: id:A005138
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| A005138 |
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Number of n-dimensional determinant 2 lattices.
(Formerly M0262)
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+0
1
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| 0, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 4, 4, 6, 7, 11, 14, 24, 30
(list; graph; listen)
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OFFSET
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0,8
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 400.
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CROSSREFS
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Sequence in context: A108104 A029025 A035396 this_sequence A035679 A136537 A153928
Adjacent sequences: A005135 A005136 A005137 this_sequence A005139 A005140 A005141
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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).
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