Computing instanton numbers of curve singularities

We present an algorithm for computing instanton numbers of curve singularities. A comparison is made between these and some other invariants of curve singularities. The algorithm is implemented in Macaulay2, and can be downloaded from http://www.math.nmsu.edu/~iswanson/instanton.m2 or from http://emmy.nmsu.edu/~gasparim/m2code.