224280

Appears in sequences

• 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=34A059090
• Number of non-equivalent ways to place 3 non-attacking ferses on an n X n board.at n=14A278682
• Number of (undirected) paths in the n-web graph.at n=7A288037