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A028971 Theta series of quadratic form with Gram matrix [ 3, 1, 1; 1, 3, 1; 1, 1, 3 ]. +0
1
1, 0, 0, 6, 6, 0, 0, 6, 6, 0, 0, 12, 12, 0, 0, 2, 18, 0, 0, 24, 0, 0, 0, 6, 12, 0, 0, 24, 24, 0, 0, 12, 18, 0, 0, 6, 18, 0, 0, 12, 6, 0, 0, 42, 24, 0, 0, 6, 24, 0, 0, 36, 24, 0, 0, 0, 12, 0, 0, 24, 8, 0, 0, 18, 42, 0, 0, 54, 12, 0, 0, 12, 30, 0, 0, 6, 48, 0, 0, 24, 0, 0, 0, 30, 24, 0 (list; graph; listen)
OFFSET

0,4

CROSSREFS

Sequence in context: A037054 A155797 A020845 this_sequence A006806 A002892 A055667

Adjacent sequences: A028968 A028969 A028970 this_sequence A028972 A028973 A028974

KEYWORD

nonn

AUTHOR

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

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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