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Number of maximal chord diagrams of genus g counted up to rotations.
3

%I #25 Sep 22 2017 03:32:34

%S 1,4,131,14118,2976853,1013582110,508233789579,352755124921122,

%T 324039613564554401,380751174738424280720,557175918657122229139987,

%U 993806827312044893602464496

%N Number of maximal chord diagrams of genus g counted up to rotations.

%C Also: the number of non-isomorphic one-face one-vertex maps on a genus g surface under orientation-preserving isomorphisms.

%H Robert Cori, Michel Marcus, <a href="https://doi.org/10.1016/S0304-3975(98)00031-0">Counting non-isomorphic chord diagrams</a>, Theoretical Computer Science, Volume 204, Issue 1, 1998, Pages 55-73.

%H Evgeniy Krasko, <a href="https://arxiv.org/abs/1709.00796">Counting Unlabelled Chord Diagrams of Maximal Genus</a>, arXiv:1709.00796 [math.CO], 2017.

%K nonn

%O 1,2

%A _Evgeniy Krasko_, Sep 03 2017