Number of n-node triangulations of the nonorientable surface N_5 in which every node has degree >= 3.

A129057

Number of n-node triangulations of the nonorientable surface N_5 in which every node has degree >= 3.

Terms

    a(0) =0a(1) =2a(2) =7050a(3) =3355250a(4) =473864807

External references