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A170999
Number of genus Q, degree n, simply ramified covers of an elliptic curve.
9
2, 774840976, 203119138758000, 1999804372817081920, 2954080786719122704200, 1259649848110685616355872, 223062465532295875789024000, 20519169517386068841434851200
OFFSET
2,1
COMMENTS
The reference gives a generating function and the terms up to degree 18.
LINKS
Mike Roth and Noriko Yu, Table of n, a(n) for n = 2..18
Mike Roth and Noriko Yu, Mirror Symmetry for Elliptic Curves: The A-Model (Fermionic) Counting, Clay Mathematics Proceedings, Volume 11, 2010.
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 31 2010
STATUS
approved