A088895 Number of intersecting T_0-antichains on a labeled n-set.

1, 2, 2, 4, 41, 2104, 1387915, 229780525655

Offset: 0

Author

Goran Kilibarda, Vladeta Jovovic, Nov 28 2003

Keywords

• hard
• nonn

Comments

An antichain on a set is a T_0-antichain if for every two distinct pointsf the set there exists a member of the antichain containing one but not the other point.

Crossrefs

Cf. A001206, A051185, A059083.