Number of connected irreducible quasiorders with n labeled points.

A046910

Number of connected irreducible quasiorders with n labeled points.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =25a(5) =1321a(6) =70201a(7) =4542721a(8) =384969649a(9) =44087846545

External references