Number of n-node triangulations of the nonorientable surface N_4 in which every node has degree >= 3.

A129053

Number of n-node triangulations of the nonorientable surface N_4 in which every node has degree >= 3.

Terms

    a(0) =0a(1) =37a(2) =13657a(3) =1628504a(4) =99694693a(5) =4076362798a(6) =127322830218

External references