Antichains (or order ideals) in the poset 2*2*5*n or size of the distributive lattice J(2*2*5*n).
A006362
Antichains (or order ideals) in the poset 2*2*5*n or size of the distributive lattice J(2*2*5*n).
Terms
- a(0) =1a(1) =196a(2) =11196a(3) =307960a(4) =5157098a(5) =60112692a(6) =530962446a(7) =3764727340a(8) =22326282261a(9) =114158490576a(10) =515063238810
External references
- oeis: A006362