login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A214819 Number of genus 2 sensed hypermaps with n darts. 7
0, 0, 0, 0, 4, 48, 708, 9807, 119436, 1355400, 14561360, 150429819 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..12.

Timothy R. Walsh, Space-efficient generation of nonisomorphic maps and hypermaps

T. R. Walsh, Space-Efficient Generation of Nonisomorphic Maps and Hypermaps, J. Int. Seq. 18 (2015) # 15.4.3

CROSSREFS

Cf. A090371, A118094, A214819, A214820, A057005.

Sequence in context: A126967 A098402 A003774 * A211198 A179235 A183204

Adjacent sequences:  A214816 A214817 A214818 * A214820 A214821 A214822

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Aug 01 2012

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 15 17:24 EDT 2019. Contains 328037 sequences. (Running on oeis4.)