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!)
A214822 Number of genus 1 unsensed hypermaps with n darts. 0
0, 0, 1, 6, 30, 211, 1350, 9636, 69169, 513012, 3843024, 29107494 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
T. R. Walsh, Space-Efficient Generation of Nonisomorphic Maps and Hypermaps, J. Int. Seq. 18 (2015) # 15.4.3
CROSSREFS
Sequence in context: A074111 A231209 A073087 * A295497 A298457 A208942
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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)