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A214337 Triangle read by rows: T(n,k) = number of rooted maps with n vertices and k faces on a non-orientable surface of type 3/2 (0 <= k <= n). 5

%I

%S 0,0,41,0,690,16925,0,7150,237652,4306778,0,58760,2518957,56864524,

%T 910734615,0,420182,22417804,613687758,11675167470,174833737848

%N Triangle read by rows: T(n,k) = number of rooted maps with n vertices and k faces on a non-orientable surface of type 3/2 (0 <= k <= n).

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

%e Triangle begins:

%e 0,

%e 0,41,

%e 0,690,16925,

%e 0,7150,237652,4306778,

%e 0,58760,2518957,56864524,910734615,

%e 0,420182,22417804,613687758,11675167470,174833737848,

%e ...

%Y Diagonals give A118448, A214335, A213336, A213338.

%Y Cf. A214806.

%K nonn,tabl

%O 0,3

%A _N. J. A. Sloane_, Jul 27 2012

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Last modified April 3 14:34 EDT 2020. Contains 333197 sequences. (Running on oeis4.)