118629

Appears in sequences

• Number of 5-element proper antichains of an n-element set.at n=6A051305
• Triangle T(n,m) giving number of m-element intersecting antichains on a labeled n-set or n-variable Boolean functions with m nonzero values in the Post class F(7,2), m=0,.., A037952(n).at n=30A059090
• The number of dominance pairs of integer partitions of n according to either/or dominance order, where dominance between two partitions x and y means that x is majorized by y or y is majorized by x.at n=18A182988
• Number of integer partitions with sum <= n whose distinct parts can be linearly combined using nonnegative coefficients to obtain n.at n=37A365379