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A214804 Number of rooted maps with n vertices and 2 faces on a non-orientable surface of type 2. 1
0, 11660, 375552, 6652366, 86303920, 918342738 (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: A231321 A154053 A151600 * A352330 A203821 A223598
Adjacent sequences: A214801 A214802 A214803 * A214805 A214806 A214807
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jul 28 2012
STATUS
approved

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Last modified May 15 17:39 EDT 2024. Contains 372548 sequences. (Running on oeis4.)