Number of quasi-orders on an n-set that are not partial orders.

A376064

Number of quasi-orders on an n-set that are not partial orders.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =10a(4) =136a(5) =2711a(6) =79504a(7) =3405382a(8) =211055975a(9) =18749246912

External references