Number of (k,m,n)-antichains of multisets with k=3 and m=2.

A084874

Number of (k,m,n)-antichains of multisets with k=3 and m=2.

Terms

    a(0) =0a(1) =0a(2) =9a(3) =162a(4) =2025a(5) =21870a(6) =219429a(7) =2112642a(8) =19847025a(9) =183642390a(10) =1682955549a(11) =15327821322a(12) =139038251625

External references