Number of 5-multiantichains of an n-set.

A084872

Number of 5-multiantichains of an n-set.

Terms

    a(0) =1a(1) =2a(2) =8a(3) =56a(4) =726a(5) =17938a(6) =722680a(7) =35955180a(8) =1798971434a(9) =83885891894

External references