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Search: id:A056947
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| A056947 |
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Theta series of nonexistent Niemeier lattice of Coxeter number 1. |
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+0
3
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| 1, 24, 195984, 16779168, 397998672, 4629497040, 34417510848, 187489533504, 814881802320, 2975548760568, 9486548517600, 27052958750688, 70486228096704, 169931081461008, 384163595996544, 820166650027200
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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J. H. Conway and N. J. A. Sloane, Sphere Packings, Lattices and Groups, Springer-Verlag, 1988.
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FORMULA
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E_12(z)+(24h-c12)*D(12) where D(12) is unique cusp form of weight 12, c12=(2*pi)^12/(zeta(12)*gamma(12)) and h=1.
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CROSSREFS
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Sequence in context: A052504 A159388 A061527 this_sequence A048057 A058550 A145200
Adjacent sequences: A056944 A056945 A056946 this_sequence A056948 A056949 A056950
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KEYWORD
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nonn
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AUTHOR
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Kok Seng Chua (chuaks(AT)ihpc.nus.edu.sg), Jul 17 2000
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