Number of ordered 6-multiantichains on an n-set.

A092884

Number of ordered 6-multiantichains on an n-set.

Terms

    a(0) =1a(1) =2a(2) =66a(3) =1646a(4) =88506a(5) =8613902a(6) =1231105866a(7) =188154436766

External references