A286273 Number of orientable regular maps on a surface of genus n.

6, 12, 12, 16, 13, 12, 11, 32, 24, 14, 11, 22, 12, 23, 17, 40, 14, 35, 13, 40, 18, 11, 17, 44, 16, 18, 38, 32, 13, 24, 13, 84, 19, 20, 30, 55, 12, 21, 24, 72, 15, 27, 12, 44, 37, 13, 17, 107, 18, 35, 18, 28, 20, 57, 25, 72, 18, 11, 20, 37, 11, 26, 43, 142, 23

Offset

2,1

References

Marston Conder, Email to N. J. A. Sloane, May 08 2017

Links

Marston Conder, Table of n, a(n) for n = 2..301

Marston Conder and P. Dobcsányi, Determination of all regular maps of small genus, J. Combinatorial Theory, Series B, 81 (2001), 224-242.

Marston Conder, Regular maps and hypermaps of Euler characteristic -1 to -200, J. Combinatorial Theory, Series B, 99 (2009), 455-459.

Marston Conder, Home Page (Contains tables of regular maps, hypermaps and polytopes, trivalent symmetric graphs, and surface actions)

Marston Conder, Regular orientable maps of genus 2 to 101 (I think this is superseded by the next link)

Marston Conder, Regular orientable maps of genus 2 to 301

Crossrefs

Sequence in context: A156386 A315573 A315574 * A205972 A315575 A315576

Adjacent sequences: A286270 A286271 A286272 * A286274 A286275 A286276

Keyword

nonn,changed

Author

N. J. A. Sloane, May 08 2017

Status

approved