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A214807 Number of rooted maps with n vertices and n faces on a non-orientable surface of type 2. 1
0, 488, 375552, 146387872, 42795288180, 10663498973088 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
Table of n, a(n) for n=0..5.
Didier Arquès and Alain Giorgetti, Counting rooted maps on a surface, Theoret. Comput. Sci. 234 (2000), no. 1-2, 255--272. MR1745078 (2001f:05078).
CROSSREFS
A diagonal of A214806.
Sequence in context: A214334 A201835 A201215 * A251676 A230005 A221940
Adjacent sequences: A214804 A214805 A214806 * A214808 A214809 A214810
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jul 28 2012
STATUS
approved

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Last modified June 10 03:52 EDT 2024. Contains 373253 sequences. (Running on oeis4.)