Number of covering antichains of subsets of {1..n} with no singletons and different edge-sizes.
A326569
Number of covering antichains of subsets of {1..n} with no singletons and different edge-sizes.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =1a(4) =13a(5) =121a(6) =2566a(7) =121199a(8) =13254529
External references
- oeis: A326569