

A276110


The number of rotation systems of drawings of the complete graph K_n, where the rotation system describes the clockwise cyclic order of incident edges around each vertex.


1




OFFSET

3,2


COMMENTS

The number of realizable order types on n points in the plane (A063666) is exactly the number of rotation systems of straightline drawings of K_n.


LINKS

B. M. Ábrego, O. Aichholzer, S. FernándezMerchant, T. Hackl, J. Pammer, A. Pilz, P. Ramos, G. Salazar, and B. Vogtenhuber, All Good Drawings of Small Complete Graphs, In Proc. 31st European Workshop on Computational Geometry EuroCG '15, pages 5760, Ljubljana, Slovenia, 2015.


CROSSREFS



KEYWORD

nonn,more


AUTHOR



STATUS

approved



