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A004014 Norms of vectors in f.c.c. lattice.
(Formerly M2347)
+0
1
0, 3, 4, 8, 11, 12, 16, 19, 20, 24, 27, 32, 35, 36, 40, 43, 44, 48, 51, 52, 56, 59, 64, 67, 68, 72, 75, 76, 80, 83, 84, 88, 91, 96, 99, 100, 104, 107, 108, 115, 116, 120, 123, 128, 131 (list; graph; listen)
OFFSET

0,2

REFERENCES

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. 116.

LINKS

G. Nebe and N. J. A. Sloane, Home page for this lattice

Index entries for sequences related to f.c.c. lattice

CROSSREFS

Sequence in context: A098764 A105407 A047458 this_sequence A113294 A152412 A022888

Adjacent sequences: A004011 A004012 A004013 this_sequence A004015 A004016 A004017

KEYWORD

nonn,nice,easy,more

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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