A076779 Maximum number of disjoint maximum-size antichains in partition lattice Par(n).

1, 1, 2, 3, 5, 7, 2, 3, 7, 3, 2, 3, 4, 3, 3, 2, 5, 5, 2, 1

Offset: 0

Author

Edward Early, Nov 15 2002

Keywords

• nonn
• hard
• more

Links

• Edward Early, Chain Lengths in the Dominance Lattice, FPSAC'03, 15th International Conference on Formal Power Series and Algebraic Combinatorics, Linköping University, (Sweden), June 23-27 2003.
• Edward Early, Chain Lengths in the Dominance Lattice, Discrete Mathematics, Volume 313, Issue 20, 28 October 2013, Pages 2168-2177.

Crossrefs

Cf. A076269, A077765.

Extensions

a(17)-a(19) from Sean A. Irvine, Apr 16 2025