A196467 Denominator of the open Gromov-Witten invariant N^{disk}_{2n+1}.

1, 3, 5, 49, 27, 121, 169, 1, 289, 361, 49, 529, 125, 243, 841

Offset

0,2

Comments

See reference for precise definition.

Links

Table of n, a(n) for n=0..14.

R. Pandharipande, J. Solomon and J. Walcher, Disk enumeration on the quintic 3-fold, arXiv:math/0610901. See Table 1.

Example

30/1, 4600/3, 5441256/5, 47823842250/49, 28973369597500/27, 160812279574853640/121, 301152359429255569200/169, 2528247216911976710478/1, 1081454384062665012504422250/289, 2066166201384849550431238897500/361, ...

Crossrefs

Cf. A196466.

Sequence in context: A347593 A120426 A077201 * A371688 A219506 A171775

Adjacent sequences: A196464 A196465 A196466 * A196468 A196469 A196470

Keyword

nonn,frac

Author

N. J. A. Sloane, Oct 02 2011

Status

approved