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A028973 Theta series of quadratic form with Gram matrix [ 7, 1, -3; 1, 3, 1; -3, 1, 7 ]. +0
1
1, 0, 0, 2, 0, 0, 0, 6, 6, 0, 0, 0, 8, 0, 0, 6, 0, 0, 0, 0, 6, 0, 0, 18, 0, 0, 0, 8, 12, 0, 0, 0, 18, 0, 0, 6, 0, 0, 0, 0, 6, 0, 0, 6, 0, 0, 0, 30, 20, 0, 0, 0, 12, 0, 0, 12, 0, 0, 0, 0, 12, 0, 0, 30, 0, 0, 0, 6, 24, 0, 0, 0, 18, 0, 0, 2, 0, 0, 0, 0, 18, 0, 0, 18, 0, 0, 0, 36, 12, 0, 0, 0 (list; graph; listen)
OFFSET

0,4

CROSSREFS

Sequence in context: A158360 A094315 A048146 this_sequence A066503 A057385 A158801

Adjacent sequences: A028970 A028971 A028972 this_sequence A028974 A028975 A028976

KEYWORD

nonn

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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