Number of n-node triangulations of the projective plane N_1 in which every node has degree >= 4.
A129044
Number of n-node triangulations of the projective plane N_1 in which every node has degree >= 4.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =8a(4) =36a(5) =185a(6) =1050a(7) =6421a(8) =40623a(9) =261828a(10) =1701370a(11) =11098331a(12) =72534862a(13) =474641785
External references
- oeis: A129044