Number of GP-iposets (gluing-parallel posets with interfaces) with n points.
A331159
Number of GP-iposets (gluing-parallel posets with interfaces) with n points.
Terms
- a(0) =1a(1) =4a(2) =16a(3) =74a(4) =419a(5) =2980a(6) =26566a(7) =289279a(8) =3726311
External references
- oeis: A331159