login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A214805 Number of rooted maps with n vertices and 3 faces on a non-orientable surface of type 2. 1
0, 160680, 6652366, 146387872, 2298445830, 28995928200 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

Arques, Didier; and Giorgetti, Alain. Counting rooted maps on a surface. Theoret. Comput. Sci. 234 (2000), no. 1-2, 255--272. MR1745078 (2001f:05078).

LINKS

Table of n, a(n) for n=0..5.

CROSSREFS

A diagonal of A214806.

Sequence in context: A251827 A115536 A250056 * A257193 A257186 A254986

Adjacent sequences:  A214802 A214803 A214804 * A214806 A214807 A214808

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jul 28 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 February 18 04:48 EST 2020. Contains 332011 sequences. (Running on oeis4.)