A214823 Number of genus 2 unsensed hypermaps with n darts.
0, 0, 0, 0, 4, 39, 456, 5554, 63378, 698568, 7391499, 75807708
Offset: 1
Links
- Timothy R. Walsh, Space-efficient generation of nonisomorphic maps and hypermaps
- T. R. Walsh, Space-Efficient Generation of Nonisomorphic Maps and Hypermaps, J. Int. Seq. 18 (2015) # 15.4.3