Number of maximal antichains of nonempty subsets of {1..n}.

A326359

Number of maximal antichains of nonempty subsets of {1..n}.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =6a(4) =28a(5) =375a(6) =31745a(7) =123805913

External references