login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A239923 Number of unrooted maps with n edges of (orientable) genus 9. 1

%I #6 Mar 30 2014 17:40:16

%S 324039613564554401,92075738368876748710,13524920870667446819490,

%T 1368913666872922446728390,107367565606418008964576338,

%U 6957847952983327441248445908,387883525432376769353915075571

%N Number of unrooted maps with n edges of (orientable) genus 9.

%H Timothy R. S. Walsh, Alain Giorgetti, Alexander Mednykh, <a href="http://dx.doi.org/10.1016/j.disc.2011.11.027">Enumeration of unrooted orientable maps of arbitrary genus by number of edges and vertices</a>, Discrete Math. 312 (2012), no. 17, 2660--2671. MR2935417

%Y Cf. A238359.

%Y Cf. A006386, A104595, A104596, A215019, A239918, A239919, A239921, A239922.

%K nonn

%O 18,1

%A _Alain Giorgetti_, Mar 29 2014

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)