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A028545 Character of extremal vertex operator algebra of rank 20. 0
1, 0, 0, 6240, 64910, 624128 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

REFERENCES

G. Hoehn, Selbstduale Vertexoperatorsuperalgebren und das Babymonster, Bonner Mathematische Schriften, Vol. 286 (1996), 1-85.

LINKS

Table of n, a(n) for n=0..5.

G. Hoehn (gerald(AT)math.ksu.edu), Selbstduale Vertexoperatorsuperalgebren und das Babymonster, Doctoral Dissertation, Univ. Bonn, Jul 15 1995 (pdf, ps).

CROSSREFS

Sequence in context: A092726 A200830 A215365 * A173943 A071130 A031577

Adjacent sequences:  A028542 A028543 A028544 * A028546 A028547 A028548

KEYWORD

nonn,easy,more

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified December 19 02:47 EST 2014. Contains 252175 sequences.