Number of T_0 (costrict) set-systems covering n vertices where every two vertices appear together in some edge (cointersecting).
A327053
Number of T_0 (costrict) set-systems covering n vertices where every two vertices appear together in some edge (cointersecting).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =62a(4) =24710a(5) =2076948136
External references
- oeis: A327053