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A268559 Arises in counting maps on a surface: see Coquereaux-Zuber (2015) for precise definition. 0

%I #5 Aug 02 2016 08:49:47

%S 2,3,14,54,420,3886,46470,645524,10328214

%N Arises in counting maps on a surface: see Coquereaux-Zuber (2015) for precise definition.

%H R. Coquereaux, J.-B. Zuber, <a href="http://arxiv.org/abs/1507.03163">Maps, immersions and permutations</a>, arXiv preprint arXiv:1507.03163, 2015. Also J. Knot Theory Ramifications 25, 1650047 (2016), DOI: http://dx.doi.org/10.1142/S0218216516500474

%K nonn,more

%O 1,1

%A _N. J. A. Sloane_, Mar 02 2016

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Last modified April 24 08:48 EDT 2024. Contains 371930 sequences. (Running on oeis4.)