Number of unlabeled, disconnected, nonempty antichains of subsets of {1..n}.

A327808

Number of unlabeled, disconnected, nonempty antichains of subsets of {1..n}.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =3a(4) =9a(5) =32a(6) =233a(7) =16578

External references