Antichains (or order ideals) in the poset 2*2*6*n or size of the distributive lattice J(2*2*6*n).

A056933

Antichains (or order ideals) in the poset 2*2*6*n or size of the distributive lattice J(2*2*6*n).

Terms

    a(0) =1a(1) =336a(2) =30900a(3) =1301610a(4) =32046856a(5) =530962446a(6) =6479344016a(7) =61951251333a(8) =485198553532

External references