A170999 Number of genus Q, degree n, simply ramified covers of an elliptic curve.

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.

Crossrefs

Cf. A170991, A170992, A170993, A170994, A170995, A170996, A170997, A170998.

Sequence in context: A262729 A034251 A230562 * A249482 A214600 A325175

Adjacent sequences: A170996 A170997 A170998 * A171000 A171001 A171002

Keyword

nonn

Author

N. J. A. Sloane, Aug 31 2010

Status

approved