0,2
Arques, Didier; and Giorgetti, Alain. Counting rooted maps on a surface. Theoret. Comput. Sci. 234 (2000), no. 1-2, 255--272. MR1745078 (2001f:05078).
Table of n, a(n) for n=0..5.
A diagonal of A214337.
Sequence in context: A284284 A115177 A263114 * A060054 A120084 A120082
Adjacent sequences: A214332 A214333 A214334 * A214336 A214337 A214338
nonn
N. J. A. Sloane, Jul 27 2012
approved