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A170991 Number of genus 2, degree n, simply ramified covers of an elliptic curve. 0
2, 16, 60, 160, 360, 672, 1240, 1920, 3180, 4400, 6832, 8736, 12880, 15840, 22320, 26112, 36666 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

COMMENTS

The reference gives a generating function and the terms up to degree 18.

REFERENCES

Mike Roth and Noriko Yu, Mirror Symmetry for Elliptic Curves: The A-Model (Fermionic) Counting, Clay Mathematics Proceedings, Volume 11, 2010.

LINKS

Table of n, a(n) for n=2..18.

CROSSREFS

Sequence in context: A123791 A293620 A206980 * A209219 A207688 A208495

Adjacent sequences:  A170988 A170989 A170990 * A170992 A170993 A170994

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Aug 31 2010

STATUS

approved

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Last modified January 21 22:54 EST 2021. Contains 340359 sequences. (Running on oeis4.)