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A214335
Number of rooted maps with n vertices and 2 faces on a non-orientable surface of type 3/2.
1
0, 690, 16925, 237652, 2518957, 22417804
OFFSET
0,2
LINKS
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 A214337.
Sequence in context: A284284 A115177 A263114 * A060054 A120084 A120082
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 27 2012
STATUS
approved