The number of 4-connected triangulations of the triangle with n inner vertices.
A262322
The number of 4-connected triangulations of the triangle with n inner vertices.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =1a(4) =1a(5) =3a(6) =13a(7) =47a(8) =217a(9) =1041a(10) =5288a(11) =27844a(12) =150608a(13) =831229
External references
- oeis: A262322