Number of sets of subsets of {1..n} where every covered vertex is the unique common element of some subset of the edges.
A326967
Number of sets of subsets of {1..n} where every covered vertex is the unique common element of some subset of the edges.
Terms
- a(0) =2a(1) =4a(2) =10a(3) =92a(4) =38362a(5) =4020654364
External references
- oeis: A326967