Number of antisymmetric transitive binary relations on n labeled points.

A085628

Number of antisymmetric transitive binary relations on n labeled points.

Terms

    a(0) =1a(1) =2a(2) =12a(3) =152a(4) =3504a(5) =135392a(6) =8321472a(7) =784621952a(8) =110521185024

External references