Antichains (or order ideals) in the poset 2*3*4*n or size of the distributive lattice J(2*3*4*n).
A056936
Antichains (or order ideals) in the poset 2*3*4*n or size of the distributive lattice J(2*3*4*n).
Terms
- a(0) =1a(1) =490a(2) =59542a(3) =3092808a(4) =89613429a(5) =1691136270a(6) =22954776044a(7) =239831111938
External references
- oeis: A056936